General Information:
Chemical Formula:Zn(OH)2
Composition:(Molecular Weight = 99.40 gm)Zinc 65.78 %
ZnHydrogen 2.03 %
H Oxygen 32.19 %
O Empirical Formula: Zn(OH)2
Environment:In a vein in a limestone quarry, on fluorite associated with the polymorphs, sweetite and wulfingite.
IMA Status:Approved IMA 1986
Locality:Milltown, near Ashover, Derbyshire, England.
Name Origin:Named for the locality.
Physical Properties: Cleavage:[001] Perfect
Color:colorless or white.
Density:3.3
Diaphaniety:Translucent
Habits:Platy - Sheet forms (e.g. micas)., ,
Luminescence:Fluorescent, Short UV=bluish white.
Luster:Vitreous - Dull
Streak:white
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