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fibrous surface and swirling botryoidal patterns as copper-rich solutions alter surrounding rock
5cm and weighs 1
125” and weighs 15
While rudists themselves are known for their strange and varied shapes
has rainbow inclusions
Black Tourmaline in Pegmatitic Matrix | Brazil sulfate fibrous surface and swirling botryoidalThis is a large specimen of black tourmaline in pegmatitic matrix. Large well defined schorl crystals are embedded in white feldspar and quartz. This specimen is sourced from coarse grained pegmatite deposits in Minas Gerais. This item is 8 x 3 and weighs 32 oz
US$ 1247.50
US$ 497.50
US$ 3625.00
US$ 4247.50
US$ 275.00
