Pargasite and Jade Physical Properties

Pargasite

Jade

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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

3.04-3.262.90-3.38

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

{110} perfect

1 or 2,2 prismatic.

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Pargasite and Jade Chemical Formula

While comparing Pargasite and Jade 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 Jade chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Pargasite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Jade Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.90-3.38 whereas that of Jade is 2.90-3.38.