Pargasite and Super Seven Crystals Physical Properties

Pargasite

Super Seven Crystals

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.262.9

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Fibrous

1.6 Cleavage

{110} perfect

[010] Perfect, [100] Distinct, [011] Distinct

1.7 Mohs Hardness

5-62

2 10

1.8 Chemical Composition

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

Not Available

Pargasite and Super Seven Crystals Chemical Formula

While comparing Pargasite and Super Seven Crystals 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 Super Seven Crystals chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pargasite and Super Seven Crystals Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Super Seven Crystals Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Super Seven Crystals Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.9 whereas that of Super Seven Crystals is 2.9.