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Mineralpedia Details for Schaurteite

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Schaurteite

Schaurteite

Named to honor German Cchemist Dr. Werner T. Schaurte of Johannesburg, South Africa. This rare mineral is found only at its type locality at the Tsumeb mine in Namibia as a secondary mineral in the ozidized zone of the dolostone hydrothermal metallic ore deposit found in association with germanite. Interestingly, the holotype specimen is now missing from the Technical University in Berlin, Germany.

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

Formula
Ca3Ge4+(SO4)2(OH)6ยท3H2
Crystal System
Hexagonal 
Crystal Habit
Acicular, Fibrous 
Luster
Silky 
Color
silky white 
Streak
white 
Class
Hexagonal - Ditrigonal Dipyramidal 
Hardness
2.5 
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Schaurteite from Tsumeb mine, Tsumeb, Namibia

Schaurteite
            from Tsumeb mine, Tsumeb, Namibia

White, silky, acicular tor felted mass in Germanite matrix.

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