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Jeremejevite, Ameib Farm 60, Erongo Region, Namibia (#:MINS8866)

Single crystal from a find in spring 2010.The crystal, 2,7 cm tall, is naturally etched however retains a good glassy luster and has lots of internal transparency.Jeremejevite is an uncommon alumino-borate found in some pegmatite environments, only very rarely in large sizes and gem crystals.

Formula :
Al6[(F,OH)3/(BO3)5]

System: hexagonal Hardness:Rarity:rare
Strunz id:V/G.5-30 - NITRATES, CARBONATES and BORATES
Name origin: After Pavel Vladimirovitch Jeremejev (1830-1899), Russian mineralogist and engineer.

Specimen weight:2 gr.
Crystal size:2,7 cm tall
Overall size: 6mm x 4 mm x 27 mm

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Jeremejevite, Ameib Farm 60, Erongo Region, Namibia

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