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Mineralpedia Details for Mrazekite

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Mrazekite

Mrazekite

More appropriately spelled Mrázekite, this mineral is named after Zdenek Mrázek, the Czech mineralogist who first noted the species and its characteristics. Mrazekite is a rare secondary mineral that occurs in oxidized polymetallic sulfides. It can be found in Slovakia, Germany, France, and Australia among only a couple others.

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

Formula
Bi2Cu3(PO4)2O2(OH)2ยท2H2
Crystal System
Monoclinic 
Crystal Habit
Spherical, Prismatic 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
blue, cerulean blue 
Streak
blue 
Class
Monoclinic - Prismatic 
Hardness
2-3 
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Mrazekite from Rainer, Lubietová, Slovakia

Mrazekite
            from Rainer, Lubietová, Slovakia

Sharp blue crystals lying flat on Quartz matrix in a 1mm area.

Click thumbnail images for larger view.

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