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Alexandrite
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Gahnite
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Alexandrite
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
-
-
-
3.69-3.81
-
1,1 ; 3,2.
8.5
BeAl
2
O
4
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Compare Gems for Scorpio
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Alexandrite Vs Gahnospinel
Gems for Scorpio
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