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Geography Categories
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| Definition Of: |
Barrerite
 General Information: Chemical Formula:(Na,K,Ca)2Al2Si7O18·7(H2O) Composition:(Molecular Weight = 694.19 gm)Potassium 1.69 % K Sodium 1.99 % NaCalcium 0.58 % CaAluminum 7.77 % AlSilicon 28.32 % SiHydrogen 2.03 % H Oxygen 57.62 % O Empirical Formula: Na0.6K0.3Ca0.1Al2Si7O18·7(H2O) IMA Status:Approved IMA 1974 Physical Properties: Cleavage:[???] Perfect Color:white or pink. Density:2.13 Diaphaniety:Transparent to Translucent Hardness:3-4 - Calcite-Fluorite 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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