Formula: Ca10Si8B2O29.12.5H2O
Origin of name: for Jiro Oye, Japanese mineralogist
Crystal system: orthorhombic
Crystal class: unknown
Twinning:
Unit cell:
Colour: white
Diaphaneity:
Luster: vitreous
Habit: crystals acicular, 1 to 3 mm, in aggregates
Hardness: 5
Specific gravity: 2.62
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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