Mineralpedia Details for Aschamalmite
Aschamalmite
Named for the type locality of the mineral at Ascham Alp, also called Ascham Alm, in Salzburg, Austria. Aschamalmite is a rare mineral that can be found in additional localities in the United States at Granite Gap in New Mexico, and in Romania and Italy. It occurs at the type locality in alpine veins cutting through gneiss, in association with cosalite, galena, quartz, albite, orthoclase, calcite, and chlorite.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/aschamalmite.pdf
- Formula
- Pb6-3xBi2+xS9
- Crystal System
- Monoclinic
- Crystal Habit
- Massive, Lath
- Cleavage
- Perfect, None, None
- Luster
- Metallic
- Color
- lead gray, gray
- Class
- Monoclinic - Prismatic
- Hardness
- 3.5
- WebMineral
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Aschamalmite from Ascham Alp, Untersulzbach valley, Salzburg, Germany
Silvery slender strips of Aschamalmite to about 2mm throughout Quartz matrix.
Click thumbnail images for larger view.
