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Chabazite
Chabazite

Apophyllite KF
Apophyllite KF



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Chabazite
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Apophyllite KF
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.08-2.16
Irregular/uneven
distinct/good on {1011}
4.5
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)
 
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)