About Wollastonite
Calcium silicate of the Pyroxenoid group, typically white and often fibrous or bladed. It's a stone of gentleness, strength, and self-expression, promoting calm and personal growth.
Primary Hues
White, Grey, Colorless, Pale Green, Pinkish, Brownish, Yellowish, often forms fibrous, bladed, or radiating aggregates
Geological & Scientific Details
Wollastonite is classified as a inosilicate mineral mineral which typically crystallizes in the triclinic monoclinic polytype exists system. Its chemical formula is Calcium metasilicate, CaSiO3. Common crystal habits include rare as tabular crystals—commonly massive in lamellar, radiating, compact and fibrous aggregates..
Key Geological Properties:
- Mineral Category: Inosilicate mineral
- Chemical Formula: Calcium metasilicate, CaSiO3
- IMA Symbol: Wo[1]
- Crystal System: Triclinic Monoclinic polytype exists
- Formula Mass (g/mol): 116.159 g/mol
- Predominant Geological Color: White, colorless or gray
- Crystal Habit: Rare as tabular crystals—commonly massive in lamellar, radiating, compact and fibrous aggregates.
- Twinning: Common
- Cleavage: Perfect in two directions at near 90°
- Luster: Vitreous or dull to pearly on cleavage surfaces
- Streak: White
- Diaphaneity: Transparent to translucent