Dravite Tourmalines on Magnesite from the Pompa Pit, Serra das Egus


This tourmaline crystal, Variety dravite, is from The Pomba Pit in Sierra das Eguas, Bahia, Brazil. The crystal is thick opaque, black and has a vitreous luster. It is good on all sides and measures 1 1/16 x 5/8 x 11/16 inches or 27 x 16 x 18 mm.

1 in stock


These dravite tourmalines are from the Pomba Pit in Serra das Egus, Brumado, Bahia, Brazil. This mine is a commercial producer of magnesite and talc however dravite and other accessory minerals, including emeralds are found there. The mine owners enforce a ban on mineral collecting and that includes the miners that work there. Dravite is in the Tourmaline Group of minerals and it is a silicate that contains the elements Na, Mg, Al, Si, O, B and H. The matrix is predominantly magnesite crystals with dravite crystals scattered about the surface. The dravite crystals are amber to brown and translucent to transparent with a glass luster. This piece measures 4 5/8 x 1 1/2 x 1 7/8 inches or 120 x 38 x 47 mm.

Additional information

Weight12 oz

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