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Ekanite
Ekanite

Spinel
Spinel



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Ekanite
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Spinel
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.28-3.32
Uneven
{101} Distinct
6-6.5
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
 
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-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4