Mineralpedia Details for Barysilite
Barysilite
Named for the Greek words barys, meaning “heavy,” and for the silicon (sil) in the composition. Barysilite is a rare mineral that occurs in iron ores, and as thin films and veinlets in zinc ores with associated garnet, willemite, axinite, and hardtstonite. Localities for Barysilite include in Sweden, the United States, Germany, and Namibia.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/barysilite.pdf
- Formula
- Pb8Mn(Si2O7)3
- Crystal System
- Trigonal
- Crystal Habit
- Massive - Lamellar
- Cleavage
- Perfect, None, None
- Luster
- Adamantine
- Color
- white, gray
- Streak
- white
- Class
- Trigonal - Hexagonal Scalenohedral
- Hardness
- 3
- WebMineral
- View Barysilite
- Mindat
- View Barysilite
Barysilite from Langban, Varmland, Sweden
Exceptional clear plates to about 1mm. The photo shows three clear plates, in a fan-like arrangement.
Click thumbnail images for larger view.
Barysilite from Parker Shaft, Franklin, Sussex Co., New Jersey, United States
Pearly looking cleavage faces of Barysilite throughout matrix. Rich. Ex. Albanese - see prov. tab.
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