Mineralpedia Details for Harmotome
Harmotome
- Formula
- Ba2(Si12Al4)O32ยท12H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Twinning Common, Cruciform, Striated
- Cleavage
- Good, Fair, None
- Luster
- Vitreous (Glassy)
- Color
- white, gray, yellow, red, brown
- Streak
- white
- Class
- Monoclinic - Prismatic
- Fracture
- Uneven
- Hardness
- 4-5
- WebMineral
- View Harmotome
- Mindat
- View Harmotome
Harmotome from Strontian, Argyllshire, Scotland
White, lustrous Harmatome crystals to 8mm with Calcite in the matrix.
Click thumbnail images for larger view.
Harmotome from Kalama area, Cowlitz Co., Washington, United States
A thumbnail specimen with thich bladed Harmotome crystals to 5mm.
Click thumbnail images for larger view.
