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Shortite
Shortite
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Lawsonite
Lawsonite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.61
Conchoidal
{010} Distinct
3
Na 2Ca 2(CO 3) 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
3.09
Uneven
Perfect on {100} and {010}, imperfect on {101}
8
CaAl2Si2O7(OH)2.H2O