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Serendibite
Serendibite
☒

Cordierite
Cordierite
☒



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Serendibite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.43-3.44
-
None Observed
6.5-7
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18

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