Formula: Ca(NH4)2(HPO4)2.H2O
Origin of name: from the initials of the Suid West Afrika Karst Navorsing Organisatsie
Crystal system: orthorhombic
Crystal class: unknown
Twinning:
Unit cell:
Colour: white
Diaphaneity:
Luster: vitreous
Habit: needles to 1 mm in rosettes
Hardness:
Specific gravity: 1.91
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments: dimorphous with mundrabillaite, soluble in water, soft
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