Pargasite and Sogdianite Physical Properties

Pargasite

Sogdianite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.04-3.26

Splintery, Uneven

{110} perfect

5-6

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

2.77-2.90

{0001} Perfect

(K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

Pargasite and Sogdianite Chemical Formula

While comparing Pargasite and Sogdianite 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 Pargasite and Sogdianite chemical formula.

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Pargasite and Sogdianite Specific Gravity

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