Very Rare Natural Transparent Jeremejevite Crystal on Matrix 15.95 ct- 3.19 g

This is a fantastic specimen of a rare natural jeremejevite crystal from Nambia.

Color: Blue
Size: 25. 35x14. 08x11. 91mm
Weight: 15. 95ct
Hardness: 7. 5-8. 0
Treatment: Unheated, Untreated
Origin: Nambia, Africa

Jeremejevite is a rare aluminum borate mineral with variable fluorite and hydroxide ions.

It was first described in 1883 for an occurrence on Mt. Soktui, Nerschinsk district, Adun-Chilon Mountains, Siberia . It was named after Russian mineralogist Pavel Vladimirovich Eremeev (Jeremejev, German) (1830–1899) .

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