Formula: CaSrV2O6(OH)2 . 3H2O
Origin of name: For A. del Rio, Mexican mineralogist
Crystal system: Monoclinic
Crystal class: m or 2/m
Twinning:
Unit cell:
Colour: Pale yellow-green
Diaphaneity: Translucent
Luster: Vitreous to pearly
Habit: Crystals fibrous acicular, intergrowths with metadelrioite in radial aggregates
Hardness: ~ 2
Specific gravity: 3.1
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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