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Cryolite
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Apophyllite KF
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Cryolite
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Apophyllite KF
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Apophyllite KF
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Brittle
Soluble
-
2.97
Uneven
None observed
2.5
Na 3AlF 6Ulrich Henn and Claudio C.
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
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