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Prismatic Dravite Crystals

Product No.: mj02-257

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Prismatic Dravite Crystals

Mineral:	Tourmaline, Variety: Dravite
Chemical Formula:	Na(Mg₃)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Size:	13,5 x 8,3 x 5,5 - 4,5 x 3,1 x 3,2 mm
Weight:	8,96 ct or 1,79 g
Transparence:	translucent
Quantity:	7
Origin:	Pyan Gyi mine (West of Pyan Pyit), northeast of Mogok, Burma (Myanmar)

Here you get only doubly terminated Dravite crystals. The pieces disclosing color zoning . One crystals even has only on small green part except that the tourmaline is colorless. Interesting tourmaline lot.

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