Pargasite and Tremolite Physical Properties

Pargasite

Tremolite

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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

3.04-3.262.95-3.07

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{110} perfect

Perfect on {110} at 56° and 124°; partings on {010} and {100}

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Pargasite and Tremolite Chemical Formula

While comparing Pargasite and Tremolite 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 Tremolite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Tremolite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Pargasite and Tremolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Tremolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Tremolite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.95-3.07 whereas that of Tremolite is 2.95-3.07.