Formula: (Cu,Zn)6(AsO4,PO4)2(OH)6.H2O
Origin of name: after locality Philipsburg, Montana, USA
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: bright green
Diaphaneity:
Luster: vitreous
Habit: crystals elongated, slightly curved, minute, forming coatings, clusters and spherules to 0.5 mm
Hardness: 3 to 4
Specific gravity: 4.07
Cleavage: none
Tenacity:
Streak: light green
Synonyms/varieties:
Comments:
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