Pargasite and Caledonite Physical Properties

Pargasite

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.265.6-5.76

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

{110} perfect

[001] perfect; [100] distinct

1.7 Mohs Hardness

5-62.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Pargasite and Caledonite Chemical Formula

While comparing Pargasite and Caledonite 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 Caledonite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

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Pargasite and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.