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Geography Categories
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| Definition Of: |
Yttrialite-(Y)
 General Information: Chemical Formula:(Y,Th)2Si2O7 Empirical Formula: Y1.5HTh0.5Si2O7 Environment:Associated with gadolinite. IMA Status:Approved IMA 1987 Locality:Llano Co., Texas, USA. Physical Properties: Cleavage:None Color:green or orangish yellow. Density:4.58 Habits:Massive - Uniformly indistinguishable crystals forming large masses., , Hardness:5-5.5 - Apatite-Knife Blade Luminescence:Non-fluorescent. 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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