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Mineralpedia Details for Ludjibaite

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Ludjibaite

Ludjibaite

Named for its type locality in the Ludjiba Mountains in Shinkolobwe in the Democratic Republic of the Congo. A rare mineral found in oxidized copper deposits and can be found in localities in, additionally, Slovakia, and Germany among just a few others. Associated minerals include pseudomalachite, and libethenite.

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

Formula
Cu5(PO4)2(OH)4 
Crystal System
Triclinic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue green 
Streak
bluish white 
Class
Triclinic - Pinacoidal 
Hardness
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Ludjibaite from Christiana mine, Laurium, Greece

Ludjibaite
            from Christiana mine, Laurium, Greece

Dark green botryoidal crystals covering most of matrix.

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Ludjibaite from Atwood mine, Hidalgo Co., New Mexico, Untited States

Ludjibaite
            from Atwood mine, Hidalgo Co., New Mexico, Untited States

Sparkly green spheroidal groups and single crystals covering Quartz crystals. Good piece.

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