General Information:
Chemical Formula:Y2(SiO4)(CO3)
Composition:(Molecular Weight = 329.90 gm)Yttrium 53.90 %
Y Silicon 8.51 %
SiCarbon 3.64 %
C Oxygen 33.95 %
O Empirical Formula: Y2(SiO4)(CO3)
IMA Status:Approved IMA 1987
Physical Properties: Cleavage:[011] Distinct
Color:brown, colorless, gray pink, white, or purple gray.
Density:4.47
Hardness:5.5-6 - Knife Blade-Orthoclase
Luster:Vitreous (Glassy)
Streak:white
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