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Sard
Sard
☒

Coral
Coral
☒



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Sard
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Coral
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.

Compare Blue Gemstones

Blue Gemstones

Star Sapphire
Star Sapphire
Starlite
Starlite
Strontium Titanate
Strontium Titanate
Coral
Scorzalite
Coral Vs Scorzalite
Coral
Serendibite
Coral Vs Serendibite
Coral
Shattuckite
Coral Vs Shattuckite

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