Formula: Al3(PO4)(OH)6 . 6H2O
Origin of name: For Brooke Evans, English industrialist
Crystal system: Amorphous
Crystal class: Unknown
Twinning:
Unit cell:
Colour: Colourless, white, yellowish, green, blue
Diaphaneity: Transparent to translucent
Luster: Vitreous to resinous or waxy
Habit: Massive; stalactitic; botryoidal; reniform
Hardness: 3 to 4
Specific gravity: 1.8 to 2.2
Cleavage: None
Tenacity:
Streak: Whitish
Synonyms/varieties:
Comments: Apparently same mineral as bolivarite, but neither mineral has been discredited
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