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Chalcedony
Chalcedony

Sapphirine
Sapphirine



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Chalcedony
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Sapphirine

Chalcedony and Sapphirine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
3.40-3.58
Conchoidal, Uneven
{010} Perfect
7.5
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Chalcedony and Sapphirine Chemical Formula

While comparing Chalcedony and Sapphirine physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chalcedony and Sapphirine chemical formula.

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Chalcedony and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony Vs Sapphirine during the identification of gemstone. Specific gravity of Chalcedony is whereas that of Sapphirine is .