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Geography Categories
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| Definition Of: |
Gagarinite-(Y)
 General Information: Chemical Formula:NaCaY(F,Cl)6 Composition:(Molecular Weight = 450.18 gm)Sodium 5.11 % NaCalcium 8.90 % CaYttrium 19.75 % Y Chlorine 47.25 % ClFluorine 18.99 % F Empirical Formula: NaCaYF4.5Cl6 IMA Status:Approved IMA 1987 Physical Properties: Cleavage:[???] Good Color:yellow, cream white, light brown, or pink. Density:4.21 Diaphaniety:Transparent Hardness:4.5 - Between Fluorite and Apatite Luster:Vitreous - Dull 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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