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Mineralpedia Details for Partzite

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Partzite

Partzite

Currently called cuproroméite on mindat.org which claims it is “probably cuproroméite” but the actual type material has not been analyzed by electron-microprobe for its chemical and structural properties, Partzite is named for August F.W. Partz who was the first to discover Partzite as a silver ore. Partzite occurs as a product of the alteration of antimony-rich sulfide deposits and can be found in the United States, Germany, Austria, and Australia, among just a few others.

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

Formula
Cu2Sb2(O,OH)7 (?) 
Crystal System
Isometric 
Crystal Habit
Massive 
Cleavage
None, None, None 
Color
olive green, black 
Streak
yellow green 
Class
Isometric - Hexoctahedral 
Fracture
Conchoidal - Uneven 
Hardness
3-4 
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Partzite from Müschede, Arnsberg, Sauerland, North Rhine-Westphalia, Germany

Partzite
            from Müschede, Arnsberg, Sauerland, North Rhine-Westphalia, Germany

Light grass green spongy masses probably as corroded replacements of former Stibnite associated with Azurite. Grain shown is 5mm across.

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