Formula: (Sr,Ca)2B14O23.8H2O
Origin of name: from strontium and ginorite
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: colourless
Diaphaneity: transparent
Luster: greasy
Habit: crystals tabular, to 3 mm
Hardness: 2 to 3
Specific gravity: 2.25
Cleavage: 2; {010} perfect, easy, {001} good
Tenacity:
Streak:
Synonyms/varieties:
Comments: Sr analogue of ginorite
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