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Mineralpedia Details for Jordanite

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Jordanite

Jordanite

Named for Dr. H. Jordan from Saarbrucken, Germany, who was the first to provide the original material for study.  Jordanite is an uncommon by widespread mineral that occurs in lead-arsenic occurrences hosted in metamorphosed dolostone, in low-temperature epithermal veins and epithermal gold-quartz veind, and from ocean floor black smoker chimneys. Localities for Jordanite include Switzerland, Poland, Germany, the Czech Republic, Italy, Greece, Sweden, Norway, England, Japan, the United States, and in the Pacific Ocean along the East Pacific Rise.

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

Formula
Pb14(As,Sb)6S23 
Crystal System
Monoclinic 
Crystal Habit
Pseudo Hexagonal, Globular, Granular 
Cleavage
Distinct, None, None 
Luster
Metallic 
Color
lead gray 
Streak
black 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
WebMineral
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Mindat
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Jordanite from Segen Gottes Mine, Wiesloch, Baden, Germany

Jordanite
            from Segen Gottes Mine, Wiesloch, Baden, Germany

Steely grey, metallic, large grains to 5mm.

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