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Chlorite group
Chlorite group
☒

Star Ruby
Star Ruby
☒



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Chlorite group
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Star Ruby
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.6-3.3
Lamellar
Perfect 001
2-2.5
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6
 
-
-
-
3.95-4.10
Uneven
None
-9999
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)