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Geography Categories
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| Definition Of: |
Helmutwinklerite
 General Information: Chemical Formula:PbZn2(AsO4)2·2(H2O) Composition:(Molecular Weight = 651.85 gm)Zinc 20.06 % ZnArsenic 22.99 % AsHydrogen 0.62 % H Lead 31.79 % PbOxygen 24.54 % O Empirical Formula: PbZn2(AsO4)2·2(H2O) IMA Status:Approved IMA 1980 Physical Properties: Cleavage:None Color:colorless or sky blue. Density:5.3 Hardness:4.5 - Between Fluorite and Apatite Luster:Vitreous - Resinous Streak:white More details...
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Mineralogy Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 A: Page 1 of 4.
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