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Geography Categories
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| Definition Of: |
Welshite
 General Information: Chemical Formula:Ca2Sb+++++Mg4Fe+++Si4Be2O20 Composition:(Molecular Weight = 765.25 gm)Calcium 5.24 % CaMagnesium 12.70 % MgBeryllium 2.36 % BeIron 7.30 % FeSilicon 14.68 % SiAntimony 15.91 % SbOxygen 41.81 % O Empirical Formula: CaSbMg4Fe3+Si4Be2O20 IMA Status:Approved IMA 1978 Physical Properties: Cleavage:None Color:brown, reddish black, orange brown, or deep tan. Density:3.77 Diaphaniety:Subtranslucent to Opaque Hardness:6 - Orthoclase Luster:Subadamantine Streak:light brown 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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