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Alexandrite
Alexandrite

Jasper
Jasper



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Alexandrite
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Jasper

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.69-3.812.58-2.91
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

1,1 ; 3,2.
Indiscernible

Mohs Hardness

8.56.5-7
2 10
👆🏻

Chemical Composition

BeAl 2 O 4
SiO2