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Viridine
Viridine

Sard
Sard



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Viridine
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Sard

Viridine and Sard Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.05-3.212.58-2.63
1 7.18
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Fracture

-
Conchoidal

Cleavage

None
None

Mohs Hardness

7-7.56.5-7
2 10
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Chemical Composition

(Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)
SiO 2Ulrich Henn and Claudio C.

Viridine and Sard Chemical Formula

While comparing Viridine and Sard 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 Viridine and Sard chemical formula.

  • Chemical formula of Viridine- (Al,Mn3+ ) 2SiO 4OGemdat.org , Management Team (2012)
  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Viridine and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Viridine and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Viridine and Sard Optical Properties during the identification of gemstone. Specific gravity of Viridine is 2.58-2.63 whereas that of Sard is 2.58-2.63.