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Formula: Mg(HCOO)2.2H2O
Organic mineral
Crystal system: Monoclinic
Specific gravity: 1.74 calculated
Hardness: 1
Streak: White
Environments
Metamorphic environments
Hydrothermal environments
Localities
At the type locality, the Korshunovskoye iron deposit, Zheleznogorsk-Ilimsky, Nizhneilimsky District, Irkutsk Oblast,
Russia, dashkovaite occurs as white, fibrous aggregates in hydrothermal veinlets in
dolomite marble; the veinlets
are up to 1 mm in width, wherein the fibres are up to 3 mm long and 0.01 mm wide. Associated minerals include
shabynite, iowaite,
ekaterinite,
korshunovskite, halite,
hydromagnesite and
serpentine
(AM 86.1534-1537).
Dashkovaite from the Korshunovskoye iron
deposit - Image
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