Formula: Ca5Si6O16(OH)2.2H2O
Origin of name: after locality Crestmore, Riverside County, California, USA
Crystal system: orthorhombic
Crystal class: 222
Twinning:
Unit cell:
Colour: white
Diaphaneity:
Luster: silky
Habit: massive, fibrous
Hardness: 3
Specific gravity: 2.64
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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