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Creedite
Creedite
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Jeremejevite
Jeremejevite
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Jeremejevite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.70
Uneven, Conchoidal
Perfect on {100}
4.5
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
 
-
-
-
3.28-3.31
Conchoidal
None observed
6.5-7.5
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.