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Esperite
Esperite

Pargasite
Pargasite



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Esperite
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Pargasite

Esperite and Pargasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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)
 
-
-
-
3.04-3.26
Splintery, Uneven
{110} perfect
5-6
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Esperite and Pargasite Chemical Formula

While comparing Esperite and Pargasite 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 Esperite and Pargasite chemical formula.

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Esperite and Pargasite Specific Gravity

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