Pargasite and Carletonite Physical Properties

Pargasite

Carletonite

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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

3.04-3.262.45

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

{110} perfect

Perfect on {001}, good on {110}

1.7 Mohs Hardness

5-64-4.5

2 10

1.8 Chemical Composition

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

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Pargasite and Carletonite Chemical Formula

While comparing Pargasite and Carletonite 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 Carletonite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Pargasite and Carletonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.45 whereas that of Carletonite is 2.45.