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Formula: Hg1+Hg2+(AsO4)
Anhydrous normal arsenate of
mercury
Specific gravity: 9.06 calculated
Hardness: 3
Streak: Greyish yellow
Colour: Yellow-brown to orange-brown
Environments
Localities
At the type locality, the Khaidarkan Sb-Hg deposit, Batken Region, Kyrgyzstan, chursinite occurs in oxidised,
complex
antimony-arsenic-mercury
ores, associated with calomel,
eglestonite, terlinguaite,
corderoite, montroydite,
kuznetsovite, shakhovite,
poyarkovite and native mercury,
in grains up to 0.2 mm in size
(AM 70.871-881).
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