Carletonite and Pargasite Physical Properties

Carletonite

Pargasite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.453.04-3.26

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Splintery, Brittle, Uneven

1.6 Cleavage

Perfect on {001}, good on {110}

{110} perfect

1.7 Mohs Hardness

4-4.55-6

2 10

1.8 Chemical Composition

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

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

Carletonite and Pargasite Chemical Formula

While comparing Carletonite and Pargasite 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 Carletonite and Pargasite chemical formula.

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

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Carletonite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carletonite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carletonite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Carletonite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.