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Coral
Coral
☒

Falcons Eye
Falcons Eye
☒



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Coral
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Falcons Eye
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.
 
-
-
-
2.58-2.64
-
-
7
SiO 2Walter Schumann , Gemstones of the world (2001)