Nitromagnesite

nitromagnesite

nitrocalcite

Images
Formula: Mg(NO₃)₂.6H₂O
Nitrate
Crystal System: Monoclinic
Specific gravity: 1.46 to 1.58 measured, 1.64 calculated
Streak: White
Colour: Colourless to white
Solubility: Readily soluble in water
Melting Point: 90^oC
Environments

Cave deposits

Nitromagnesite is a rare deposit in limestone caves, in humidities up to 78%, typically formed as a leachate of bat guano and associated with nitrocalcite (HOM, Webmin, Dana).

Localities

The type locality is the Nicajack Cave, Marion county, Tennessee, USA

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