Kazakhstanite with
fervanite
Fine, micro crystals of kazakhstanite (black) with varying alterations of
other vanadium and uranium minerals:
fervanite
(gold-brown),
tyuyamunite (yellow) and
hewettite
(reddish).
Black velvety coating on matrix
Origin: Gold Quarry mine, Eureka Co., Nevada, U.S.A.
Sample size: 4x4x2cm with velvety black kazakhstanite and yellow fervanite,
both as micro coatings on shaley matrix (top), 9 x 8 x 3 cm (2nd row), 3 x 2 x
1 cm (bottom)
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