silicates

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pink vayrynenite from Pakistan square cut

vayrynenite

Its name honors the Finnish mineralogist Väyrynen who identified it in Finland but the pink samples and gems come from the Paproke mine in Afghanistan.

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aenigmatite crystal from Greenland

aenigmatite

Discovered in 1865 its name comes from Greek showing that its chemical formula was a real “mystery” to solve.

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ilvaite pear cut

ilvaite

Its name comes from the ancient name of Elba in Italy (Ilva), where it was identified in 1811.

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sliced polished nephrite from China

nephrite

This is a thick microcrystalline rock the of amphibole family, we can consider nephrite as a microcrystalline variety of ferrous actinolite-tremolite series. The majority of nephrites are composed mainly of actinolite. The white variety, known as” mutton fat “, is composed almost exclusively of tremolite,

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Imperial jade from Burma cut in cabochon

jadeite

Its name comes from the term jade. It is the nineteenth century, in 1863, that jadeite was differentiated from nephritis. This is a pyroxene resulting from metamorphism of serpentines high in sodium. Before the nineteenth century both jadeite and nephrite were called with the generic

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cut augite

augite

Its name, coming from Latin, was given by Werner and it means bright because the surfaces of its divisions are very bright. Amongst the pyroxenes, augite is a ferromagnesian silicate low in calcium. The fassaite variety is low in iron, the jeffersonite variety is rich

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