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Geography Categories
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| Definition Of: |
Umbite
General Information: Chemical Formula:K2ZrSi3O9·(H2O) Composition:(Molecular Weight = 689.36 gm)Potassium 11.34 % K Zirconium 52.93 % ZrSilicon 12.22 % SiHydrogen 0.29 % H Oxygen 23.21 % O Empirical Formula: K2Zr4Si3O9·(H2O) Physical Properties: Cleavage:[010] Perfect, [100] Good Color:colorless or yellowish white. Density:2.79 Diaphaniety:Transparent Hardness:4.5 - Between Fluorite and Apatite Luster:Vitreous (Glassy) 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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