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Sard
Sard
☒

Esperite
Esperite
☒



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Sard
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Esperite

Sard and Esperite Physical Properties

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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.
 
-
-
-
4.28-4.42
Conchoidal
Distinct on [010] and [100] poor on [101]
5-5.5
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

Sard and Esperite Chemical Formula

While comparing Sard and Esperite 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 Sard and Esperite chemical formula.

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Sard and Esperite Specific Gravity

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