Bornite, Quartz
Mangula Mine, Mhangura, Makonde District, Mashonaland West, Zimbabwe
6.3 x 4.1 x 2.8 cm. Mineral specimens of any type are rare from this obscure old copper-silver mine. A 2.1 cm sharp charcoal-gray bornite crystal with a matte finish, but pretty light iridescence is aesthetically set on the matrix plate highlighted by the 3.2 cm, glassy doubly terminated quartz crystal. Smaller quartz and bornite crystals are fine ...
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