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Analcime
Analcime

Leucite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.24-2.29
Uneven, Subconchoidal, Conchoidal
Very poor [100]
5-5.5
NaAlSi 2O 6 · H 2OMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
Brittle
-
-
2.45-2.50
Conchoidal
Poor on {110}
5.5-6
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references