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Mineralpedia Details for Richterite

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Richterite

Richterite

Theodor Richter, a German mineralogist, professor, and co-doscoverer of indium, is the namesake of the mineral Richterite. Richterite is found in metamorphosed limestones, igneous rocks, carbonatites and also in meteorites. Many localites, historic localities and localities for good specimens include Sweden, Greenland, Russia, the USA, Canada, Brazil, Japan, and Madagascar.

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

Formula
Na(CaNa)Mg5Si8O22(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Tabular 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
blue, brown, brown red, gray violet, yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
WebMineral
View Richterite 
Mindat
View Richterite 

Richterite from Långban, Filipstad, Värmland, Sweden

Richterite
            from Långban, Filipstad, Värmland, Sweden

Yellow prismatic crystals to 6mm in Hedyphane matrix.

Click thumbnail images for larger view.

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