Saryarkite-(Y)

General Information:
 Chemical Formula:
Ca(Y,Th)Al5(SiO4)2(PO4,SO4)2(OH)7·6(H2O)
 IMA Status:
Approved IMA 1987
Physical Properties:
 Cleavage:
None
 Color:
white.
 Density:
3.07 - 3.15, Average = 3.11
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luster:
Greasy (Oily)
 Streak:
white
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