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Mineralpedia Details for Vajdakite

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Vajdakite

Vajdakite

Vajdakite (IMA No. 1998–031) is named after Josef Vajdak of Pequa Rare Minerals, Massapequa, New York, USA, in recognition of his significant contributions to mineralogical research on the Jáchymov ore district. Vajdakite is a monoclinic molybdenum bearing arsenide which occurs in veins associated with arsenic, scorodite, annabergite, nickelskutterudite, löllingite, and köttigite.

For more information see http://rruff.info/rruff_1.0/uploads/CM41_1309.pdf

Formula
(Mo6+O2)2As3+2O5ยท3H2
Crystal System
Monoclinic 
Crystal Habit
Acicular, Aggregates 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
green, greenish gray 
Streak
light grayish green 
Class
Monoclinic - Prismatic 
Hardness
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Mindat
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Vajdakite from Svornost mine, Jáchymov, Erzgebirge, Bohemia, Czech Republic

Vajdakite
            from Svornost mine, Jáchymov, Erzgebirge, Bohemia, Czech Republic
Special Info
Type & Only Locality

Vajdakite (IMA No. 1998–031) is named after Josef Vajdak of Pequa Rare Minerals, Massapequa, New York, USA, in recognition of his significant contributions to mineralogical research on the Jáchymov ore district. Vajdakite is a monoclinic molybdenum bearing arsenide which occurs in veins associated with arsenic, scorodite, annabergite, nickelskutterudite, löllingite, and köttigite.

For more information see http://rruff.info/rruff_1.0/uploads/CM41_1309.pdf

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