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Mineralpedia Details for Sarkinite

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Sarkinite

Sarkinite

Named for its fleshy color and greasy, skin-like luster after the Greek word sarkinos, meaning “made of flesh.” Sarkinite occurs in its Swedish localities in metamorphosed orebodies of iron and manganese, in Austria in manganese lenses in marine-origin schists, and at Franklin, New Jersey in the United States in metamorphosed, stratiform zinc ores. Additional localities include Switzerland and others.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/sarkinite.pdf

Formula
Mn2+2(AsO4)(OH) 
Crystal System
Monoclinic 
Crystal Habit
Tabular 
Cleavage
Distinct, None, None 
Luster
Greasy (Oily) 
Color
yellow, dark red, reddish yellow 
Streak
yellow 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
4-5 
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Sarkinite from Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Sarkinite
            from Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Excellent, well-formed, light red Sarkinite crystals to 1mm.

Abundant reddish Sarkinite crystals in 1-2mm clusters showing excellent definition in a 1x3cm area.

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