Formula: (Mg,Fe)7Si8O22(OH)2
Origin of name: From magnesium and anthophyllite
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: White, gray, greenish, brownish green, brown, yellowish green
Diaphaneity: Transparent to opaque
Luster: Vitreous to silky
Habit: Crystals prismatic, rare; massive, fibrous or lamellar
Hardness: 5.5 to 6
Specific gravity: 3.21
Cleavage: 3; {110} perfect, {010} and {100} imperfect
Tenacity:
Streak: Colourless or grayish
Synonyms/varieties:
Comments: Series with anthophyllite and with ferro-anthophyllite
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |