Warikahnite

Formula: Zn(AsO4)2.2H2O

Origin of name: for Walter Richard Kahn

 

Crystal system: triclinic

Crystal class: -1

Twinning:

Unit cell: a = 6.71, b = 8.989, c = 14.553, Z = 4; α = 105.59°, β = 93.44°, γ = 108.68°

 

Colour: pale yellow to colourless

Diaphaneity: 

Luster: 

Habit: crystals bladed, elongated along a-axis, in radiating masses to 5 mm

Hardness

Specific gravity: 4.24

Cleavage: 3; {001} perfect, {010} and {100} distinct to good

Tenacity: 

Streak: white

 

Synonyms/varieties:

 

Comments: 

 

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