Gemstones found in UK

Gemstones in the UK
The United Kingdom is a densely populated country that encompasses a small area of approximately 243,000 square kilometers. The UK includes England, Scotland, Northern Ireland and Wales.
Gemstones found in UK
The most of the gemstone materials of the UK have been found in Scotland. In fact, even a diamond was found in Northern Scotland in the 1870s by Scottish mineralogist, Professor M F Heddle. Other gemstone materials that have been discovered in Scotland include sapphire that was found on the Isle of Harris, but a protection order prohibits its removal. Small amounts of ruby and beryl (including aquamarine) have also been found in Scotland. There is a place in Fife known as "Ruby Bay", but it is garnet, rather than ruby that is found here. Larger amounts of "blue hole agate", amethyst and smoky quartz were also found in Scotland, and some red and yellow jasper. Zircon has also been found in Scotland.

Before the Scottish diamond was found, in 1816 1813, a diamond was discovered in the Colebrooke River of County Fermanagh, Northern Ireland. Many years later, in 1996, a Canadian company investigated areas of County Tyrone and County Fermanagh. Their exploration suggested that there may be untapped potential. Gemstone quality ruby, sapphire, aquamarine, opal, hematite, calcite and quartz have also been discovered in Northern Ireland. County Tyrone in Northern Ireland is also home to one of the UK's last remaining gold mines.

Wales has also been known as an important source of gold, rather than gemstones in the UK, especially in Roman Britain. Dolaucothi is the first such Roman gold mine that is now a museum. Welsh gold is highly sought after and is the material of choice for gold wedding bands worn by the British Royal Family. With regard to gemstones, quartz, but not many other well-known gemstone materials have been found in areas of Wales.

With regard to England, several gemstone materials have been found. In the North of England, on the Isle of Man and also on the north-eastern coast of England, agate has been found. Also found on the east coast, especially in Whitby, Yorkshire, is jet, which was popular in the 19th century when mourning jewelry was fashionable. Jet is made of fossilized wood and is no longer popular since other black gems have superior gem qualities such as durability. Further down the east coast of England and in the Isle of Wight in the south, amber has been found. Some of this has a rich color that was caused by forest fires in the Cretaceous period, it is sometimes known as "Hastings firestorm amber".

The middle of England is most famous for fluorite. The best-known source for fluorite is Derbyshire, the source of highly regarded "blue John" fluorite, which occurs in purple to blue and yellow to white bands. This is also known as "Derbyshire Spar" or "Derbyshire Blue John". This fluorite was popular during the 1800s when it was sent all over the world.

The two south-western counties known as Devon and Cornwall have seen some interesting gemstone discoveries, such as topaz, tourmaline, beryl, fluorite and amethyst. Cassiterite, which is tin ore, was also mined from this area and is said to have been mined since the Bronze Age. Other metals such as silver and copper were mined here too.

Although the UK is a small place, some unique and interesting materials have been unearthed from its mountains, valleys and shores. Perhaps there are more hidden treasures in the UK, just waiting to be discovered.

Gemstones found in UK:

Agate
Gemstones found in UK
Although found all over the world and in many different types, agate is also easily found in the UK, particularly off the coast of Cornwall and northern Scotland.
Reminiscent of Scottish wild lakes and the high rugged mountains of Scotland. Much of Scottish agate was formed by volcanic eruptions, with the yolk forming within the silica-rich gas bubbles of the cooling lava.
The most well-known places to find authentic Scottish Agate is the Blue Hole in the Usan and Lunan Bay.

Amber
Gemstones found in UK
One of the most revered gemstones, Amber, specifically Baltic Amber can be found on the “Amber Coast” of Norfolk and Suffolk, between Felixstowe and Southwold. Little globules of orange, Baltic Amber is sought after for both its rarity and its healing properties. 
Amber is actually fossilised tree sap, which would have been trapped within the ancient Baltic forest (now all underwater in the Baltic sea). Melting glaciers from the last ice age bring these little gems to the surface, which is why they make their way to our shores. 
What is incredibly fascinating is that Amber can even have fossilised critters inside, which is very illuminating as to what kind of species lived millions of years ago. 
Baltic Amber
They say that the best time to go searching for Amber is after a storm, as rough seas shake up the seabed and mover the amber towards the shore. However, the bright and fiery glow that we associate with Amber is actually when the stone is polished. Rough amber is actually a dark rusty brown colour, which is why it can be easily overlooked.

Blue John Fluorite
Gemstones found in UK
Another popular gemstone found in the uk, Blue John Fluorite is native to the Blue John Cavern in Derbyshire. So much so that it is also known as Derbyshire Spar! This type of mineral is distinguishable by its bands of blue and yellow, and it is one of the few gemstones that can ONLY be found in the UK! 
It remains one of the few gemstones found in the UK, and it is still mined on a small scale today.

Cairngorm Quartz
Gemstones found in UK
Another native Scottish gemstone, Cairngorm Quartz is a variety of smokey Quartz exclusively found in the Cairngorm mountains of Scotland. A very desirable variety of Quartz, Cairngorm Quartz is actually considered to be Scotland’s national gem.
This type of Quartz gem is noticeable for its signature slightly yellow colour, due to a small mount of ferric oxide within its structure. ‘Invercauld cairngorm’, is a variety crystal of smoky quartz. Cairngorm Quartz was widely used in Scottish and English jewellery, embellishing weapons, kilt pins, necklaces, earrings and brooches. For some time, Cairngorm Quartz was known as the Scottish Topaz, a testament to its rarity and signature nature.
These miners of Cairngorm would sometimes discover other precious gemstones such as beryl and topaz.
The largest known cairngorm crystal is a 23.6 kg (52 lb) specimen kept at Braemar Castle.

About The Cairngorms
The Cairngorms are the most extensive area of high mountain terrain in Britain. The area has given its name to gem quality smoky quartz, and has also produced spectacular specimens of beryl and topaz.
The Cairngorm Granite lies at the heart of our story. This tough igneous rock is highly resistant to erosion and forms the dissected highland plateau which is the Cairngorms. The distinctive shape of the mountains owes its appearance to the properties and distribution of this rock, and the minerals which occur in it are directly related to its geological origin and history. Within the granite occur cavities, and veins or pockets of pegmatite which contain the gem minerals. These are yellow, smoky or dark cairngorm quartz; yellow-green or blue beryl; and colourless to pale blue topaz.

Jet
Whitby Jet
Jet was one of the most sought after materials in the 19th century for Victorian mourning jewellery. Specifically, Whitby Jet. Similarly to Amber, Jet is actually fossilised tree wood that is washed up on the shores of Whitby in England.
Formed into a coal-like structure from millions of years of pressure, Jet’s inherently dark colour has etymologically earned itself the originating influence behind “jet black”. The Jet found in Whitby formed over 181 million years ago during the Early Jurassic period. Whilst it's still incredibly rare to find today, W.Hammond, a jeweller in Whitby, is completely devoted to creating true Whitby Jet jewellery today. Whitby beach in Yorkshire is world famous for its jet which was popular in Queen Victoria’s reign. True Victorian Whitby Jet is even rarer to come by, and it is very expensive.

Bristol Diamonds
Bristol Diamonds
Whilst there are a few regional varieties of gemstones, have you ever heard of Bristol Diamonds? Not to be confused with the glittering highly prized precious gemstone, “Bristol Diamonds” are actually a type of Quartz that is found in the Avon Gorge caves. These Quartz gems were sought after as a novelty gemstone in the 18th and 19th century, as many persons visited the Hotwells spa (marketed to have rivalled the towns of Bath and Cheltenham). 

The “Bristol Diamonds” as they were colloqually known in the 18th and 19th century were actually called Diamonds in the 1586 Topographical survey by William Camden. In fact, he described them as the following: “for in bright and transparent colour, they match the Indian Diaments, if they passe them not; in hardness onely they are inferior to them.”

But what about real diamonds, have they ever been found in England?

Diamond
Yes that’s right even diamond has been found in the United Kingdom, admittedly only a very very small amount. In 1813 ‘The Brookeborough’ diamond was discovered in a stream in Co Fermanagh.
In the 1870s teacher M. F. Heddle of St Andrews University discovered a small diamond 5km north of Ben Hope in Scotland.

Recently, some mining companies are carrying out studies and prospecting of samples to see if it is feasible to extract diamonds in England.
See who these companies are in the links at the end of this article.

Other minerals found in England
There include rare and common minerals such as chalcocite, arsenopyrite, calcite, apatite, liroconite, wavellite, botallackite, cerussite, hematite, barite, boracite, pyromorphite, pyrrhotite, scheelite, linarite, mimetite, turquoise, copper, witherite, chalcocite, galena, and others.
See more Mineral and gemstones in UK:


Welsh Gold
Although not officially a gemstone, we couldn’t NOT include Welsh Gold in this list of gemstones found in the UK. Welsh Gold is one of the rarest and most sought after types of Gold in the world. Not to mention, it is a type of Gold that many of the Royal Families engagement and wedding rings have been crafted from, including Queen Elizabeth II, Princess Diana, Kate Middleton and Meghan Markle.
Welsh Gold is the first known mined Gold in the UK, dating back to the Bronze Age in Dolau Cothin Wales. Welsh Gold was in regular use until 1938, today only surviving in small increments with a small yield. For instance, in the late 1990s it would cost over £1000 an ounce to extract, and the value of Welsh Gold today is estimated to be up to 30,000 times more than standard Gold. You can still pan for gold in the nearby river Cothi.

Where to find and mine for gold in England:


Free E-BOOK about England's minerals
For more information about minerals from England, you can read the free e-book covering the Lindsay Greenbank Collection of Classic Minerals of Northern England.

The Lindsay Greenbank Collection Book CoverWhile many Americans are unfamiliar with these British mineral localities, the Lindsay Greenbank Collection contains many of the world's finest mineral specimens from Northern England. These mineral localities remained somewhat mysterious to collectors until this Mineralogical Record supplement was published after a year and a half of work. In addition to 40 locality photos, maps, crystal drawings, and old historic specimen labels, over 100 superb mineral specimens are printed in full color. Lindsay Greenbank's Mineralogical Record biography is available HERE.

England's minerals for sale by ArkenStone:


Sources:


Diamond in UK:

Guardou rocha pensando que era ouro, mas era algo mais valioso

Um homem na Austrália guardou uma rocha durante vários anos pensando que era ouro, que afinal não se tratava de ouro mas era algo ainda mais valioso.
Em 2015, David Hole estava prospectando no Parque Regional de Maryborough perto de Melbourne, Austrália.
Armado com um detector de metais, ele descobriu algo fora do comum quando o aparelho apitou em uma rocha que era muito pesada e avermelhada e estava repousando em uma argila amarela.
pedra amarela com ouro
Ele levou a pedra para casa e tentou de tudo para abri-la, certo de que havia uma pepita de ouro dentro da rocha pois ele andava com seu detector de metais em Maryborough, uma região de Goldfields, onde a corrida do ouro australiana atingiu o seu pico no século XIX.

Para abrir sua descoberta, Hole experimentou uma serra para pedras, uma rebarbadora, uma furadeira, até mesmo mergulhando a pedra em ácido. Em uma das últimas tentativas, ele agarrou uma marreta e com as duas mãos, ergueu-a acima da cabeça e desceu com toda a força que pôde e pá, nada, nem um risco ou arranhão.  "Que diabos é isso?", O Sr. Hole pensou consigo mesmo.
Isso porque o que ele estava tentando tanto abrir não era uma pepita de ouro, mas sim um meteorito raro, como ele descobriu anos depois.

Incapaz de abrir a 'pedra', mas ainda intrigado, Hole levou a pepita ao Museu de Melbourne para identificação.

Então em 2019 o Sr. Hole levou a rocha para o museu em uma mochila e entregou a Dermot Henry.
meteorito Maryborough, H5
"Tinha uma aparência esculpida e com covinhas", disse o geólogo do museu de Melbourne, Dermot Henry, ao The Sydney Morning Herald.

"Isso é formado quando eles vêm pela atmosfera, eles estão derretendo por fora, e a atmosfera os esculpe."

"Já observei muitas rochas que as pessoas pensam serem meteoritos", disse Henry, na verdade, depois de 37 anos trabalhando no museu e examinando milhares de rochas, Henry explica que apenas duas das oferendas se revelaram meteoritos reais.
Este foi um dos dois.

"Se você visse uma rocha como esta na Terra e a pegasse, não deveria ser tão pesada", disse outro geólogo do Museu de Melbourne, Bill Birch em 2019.
Os pesquisadores publicaram um artigo científico descrevendo o meteorito de 4,6 bilhões de anos, que eles chamaram de Maryborough em homenagem à cidade perto de onde foi encontrado.

O meteorito pesa 17 quilos, e depois de usar uma serra de diamante para cortar uma pequena fatia, eles descobriram que sua composição tem uma alta porcentagem de ferro, tornando-o um condrito comum H5.
meteorito Maryborough, H5
Depois de aberto, você também pode ver as minúsculas gotículas cristalizadas de minerais metálicos por ele, chamadas côndrulos .

"Meteoritos fornecem a forma mais barata de exploração espacial. Eles nos transportam de volta no tempo, fornecendo pistas sobre a idade, formação e química de nosso Sistema Solar (incluindo a Terra)", disse Henry.
meteorito Maryborough, H5
“Alguns fornecem um vislumbre do interior profundo de nosso planeta. Em alguns meteoritos, há 'poeira estelar' ainda mais antiga que nosso Sistema Solar, o que nos mostra como as estrelas se formam e evoluem para criar elementos da tabela periódica.

"Outros meteoritos raros contêm moléculas orgânicas como aminoácidos; os blocos de construção da vida."

Embora os pesquisadores ainda não saibam de onde veio o meteorito e há quanto tempo ele pode estar na Terra, eles têm algumas suposições.

Nosso Sistema Solar já foi uma pilha giratória de poeira e rochas condríticas. Por fim, a gravidade juntou muito desse material em planetas, mas as sobras acabaram em um enorme cinturão de asteróides.

"Este meteorito em particular provavelmente sai do cinturão de asteróides entre Marte e Júpiter, e foi empurrado para fora de lá por alguns asteróides que se chocaram, então um dia ele se chocou contra a Terra", disse Henry.

A datação por carbono sugere que o meteorito está na Terra entre 100 e 1.000 anos, e houve vários avistamentos de meteoros entre 1889 e 1951 que podem corresponder à sua chegada ao nosso planeta.

Mais caro e mais raro que o ouro que David Hole tanto almejava, que pena.
found meteorito Maryborough, H5
Os pesquisadores argumentam que o meteorito de Maryborough é muito mais raro do que o ouro, o que o torna muito mais valioso para a ciência. É um dos apenas 17 meteoritos já registrados no estado australiano de Victoria e é a segunda maior massa condrítica, depois de um enorme espécime de 55 quilogramas identificado em 2003. 

"Este é apenas o 17º meteorito encontrado em Victoria, enquanto milhares de pepitas de ouro foram encontradas", disse Henry.

"Olhando para a cadeia de eventos, pode-se dizer que é bastante astronômico ter sido descoberto."

Não é nem o primeiro meteorito a levar alguns anos para chegar a um museu e ser analisado e confirmado como sendo um meteorito. Em uma história particularmente incrível que o ScienceAlert cobriu em 2018, uma rocha espacial ficou 80 anos, dois proprietários e uma restrição como batente de porta antes de finalmente ser revelada como realmente era, um meteorito.


Agora é provavelmente um momento tão bom quanto qualquer outro para verificar se há pedras particularmente pesadas e difíceis de quebrar em seu quintal, você pode estar sentado em uma mina de ouro meteórica.

Quer saber se a sua rocha é um meteorito?
Quer saber testar se é um meteorito?
Abra o link a seguir:


Fontes:

¿Cómo y dónde encontrar oro en México?

¿Dónde encontrar oro en México?
México es un país extenso y tiene un subsuelo muy rico donde podemos encontrar los más diversos tipos de rocas y piedras preciosas así como, por supuesto, metales preciosos.
México conoce bien la minería; de hecho, se ha convertido en un productor líder de muchos minerales valiosos, incluidos los metales preciosos. Más de 766 minerales válidos están catalogados en la Base de Datos de Minerales, incluidas las mejores piedras preciosas con calidad gemológica y dos de los metales más buscados y queridos en la tierra, la plata y el oro.
¿Dónde encontrar oro en México?
La plata es la razón por la que México es conocido y actualmente es el mayor productor mundial de este metal. Se recuperan cantidades significativas de oro como subproducto de las minas de plata.

Los ricos yacimientos que resultaron en tanta riqueza para el país de México fueron descubiertos en 1550. A la Veta Madre de Guanajuato le siguió el descubrimiento de El Oro, un distrito minero inmensamente rico en el que se ha trabajado durante más de 450 años y ha resultado en millones de onzas de oro que se producen.

Minería en el desierto mexicano
La geología de México es muy similar a la que se encuentra en el desierto del suroeste de Estados Unidos. Muchas de las ricas áreas mineras son una continuación de la rica geología que se encuentra en estados como Arizona y Nuevo México.
¿Dónde encontrar oro en México?
Dado que gran parte de México tiene un clima árido, el trabajo de pequeños depósitos de oro por mineros “artesanales” en pequeña escala requiere técnicas especiales y tiene limitaciones significativas.

Una zona minera de oro muy rica en México se encuentra en el desierto de Señora, al sur de la frontera de Arizona. Esta región ha estado produciendo oro durante siglos.
Dónde encontrar oro en México
Los métodos de prospección se limitan principalmente al uso de tintorerías en esta parte de México, porque el agua no existe en muchas de las áreas más ricas. Esta técnica es muy laboriosa y puede ser más difícil de muestrear y rastrear fuentes de oro que con las técnicas tradicionales de extracción de placeres.

Otro método que ahora se utiliza en todo México con buen éxito es la detección de metales. Con un detector de metales, los garimpeiros pueden localizar pepitas de oro dentro de barrancos, lavabos y bancos que carecen de agua durante la mayor parte del año.
¿Dónde encontrar oro en México?
Y gracias a un detector de metales se descubrió la pepita de oro más famosa de México. Fue la pepita de Bota de Cortez.

Minería comercial en México
El país alberga muchas minas comerciales excepcionalmente ricas. Muchas de estas minas extraen lo que se considerarían minerales de baja ley. Sin embargo, a gran escala, estos minerales se pueden extraer de manera muy rentable.

La Cordillera Occidental de la Sierra Madre alberga muchas grandes minas de oro, que producen cobre, plata, oro y una variedad de otros minerales.

Grupo México es la empresa minera más grande que opera en el Desierto de Senora. Es uno de los mayores productores de oro del país.

Goldcorp también opera la mina Penasquito y es un productor líder de oro y plata. La mina San Pedro en San Luis de Potasi es otro rico productor de oro.

La minería tiene un impacto significativo en la economía de México. La industria es un importante generador de empleo y emplea a miles de mexicanos. Los bajos costos laborales hacen que el país sea muy atractivo económicamente, y la mayoría de las empresas mineras más grandes del mundo operan en México.
quartzo com ouro
La desventaja de la minería en México son los problemas de seguridad y los disturbios civiles. En los últimos años, ha habido muchas historias sobre robos de minas. Esto ciertamente limitó en cierta medida el alcance de la minería y la exploración.

Especialmente a menor escala, no es recomendable que los mineros de Estados Unidos se aventuren al sur en busca de oro. Si bien hay muchos distritos auríferos en el norte de México que no han sido explotados en todo su potencial, existen serios riesgos asociados con muchos de ellos, especialmente cerca de la frontera, donde hay problemas de tráfico de drogas y personas.

¿Dónde encontrar oro en México?
Ubicaciones de Oro en México
Ubicaciones de Oro en México

Baja California Sur
La Paz Municipality - El Triunfo District;
Mun. de Los Cabos - Rancho San Felipe.

Baja California
Ensenada Municipality - Bahia de Los Angeles;
Calamajue (Calamahi; Mision de Calamajue; Molino Paraje de Calamajue); Cedros Island; El Alamo; El Arco; La Arrastras; Real del Castillo; Sierra San Pedro Mártir y Socorro (El Socorro).

Chiapas
Pantepec Municipality - Ixhuatán.

Chihuahua
Aldama Municipality, Puerto del Aire, Allende Municipality, Aquiles Serdán Municipality, Batopilas Municipality, Casas Grandes Municipality, Chihuahua Municipality, Chínipas Municipality, Cusihuiriáchic Municipality, 
Guachochi Municipality, Guadalupe y Calvo Municipality, Guazapares Municipality, Ocampo Municipality, San Francisco del Oro Municipality, Saucillo Municipality y Urique Municipality.

Durango
El Oro Municipality, Mapimí Municipality, Pánuco de Coronado Municipality, San Dimas Municipality, San Pedro del Gallo Municipality y Topia Municipality.

Guanajuato
Guanajuato Municipality y San Luis de la Paz Municipality.

Guerrero
San Miguel Totolapan Municipality.

Hidalgo
Pachuca Municipality.

Jalisco
Ameca Municipality, Guachinango Municipality, Mascota Municipality, San Sebastián Municipality y Tequila Municipality.

Mexico
El Oro Municipality, Sultepec Municipality, Temascaltepec Municipality, Tlatlaya Municipality y Zacualpán Municipality.

Michoacán
Tepalcatepec Municipality yTlalpujahua Municipality.

Morelos
Cerro Jumil

Nayarit
Amatlán de Cañas Municipality y Santa María del Oro Municipality.

Oaxaca
San Miguel Peras Municipality.

Puebla
Ixtacamaxtitlán Municipality y Tetela de Ocampo Municipality.

Queretaro
Cadereyta Municipality y Tolimán Municipality.

San Luis Potosí
Cerro de San Pedro Municipality y Villa de La Paz Municipality.

Sinaloa
Badiraguato Municipality, Cosalá Municipality y Rosario Municipality.

Sonora
Altar Municipality, Arizpe Municipality, Caborca Municipality, Cucurpe Municipality, Hermosillo Municipality, Magdalena Municipality, Moctezuma Municipality, Pitiquito Municipality, Plutarco Elías Calles Municipality, Quiriego Municipality, Sahuaripa Municipality, Suaqui Grande Municipality, Tepache Municipality, Trincheras Municipality y Yécora Municipality.

Tamaulipas
Villagrán Municipality.

Zacatecas
Fresnillo Municipality, Mazapil Municipality, Mezquital del Oro Municipality, Noria de Ángeles Municipality, Pinos Municipality y Zacatecas Municipality.


Piedras preciosas, metales preciosos y minerales de México
Colección Miguel Romero de Minerales Mexicanos

Esta es claramente una de las mejores colecciones de minerales mexicanos jamás reunidas, y el legado de la Colección Miguel Romero Sánchez es más que merecedor de ser preservado y capturado. De origen humilde, Miguel Romero eventualmente se convirtió en el líder nacional mexicano en recolección de minerales. Este suplemento de Mineralogical Record cubre una colección de minerales que inicialmente era privada y secreta, pero que gradualmente se hizo conocida y querida por el público. Muchas de estas piezas minerales ahora se consideran Ikons del mundo mineral.


Fuentes de búsqueda:

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