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Kornerupine
Kornerupine
☒

Lazurite
Lazurite
☒



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Kornerupine
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.25-3.45
Conchoidal, Uneven
Good on {110}
6.5
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
Soluble
-
2.75
Uneven, Conchoidal
Imperfect on {110}
5.5
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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Green Gemstones

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Lazurite
Liddicoatite
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Lazurite
Lizardite
Lazurite Vs Lizardite
Lazurite
Ludlamite
Lazurite Vs Ludlamite

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