Tremolite and Poudretteite Physical Properties

Tremolite

Poudretteite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-3.072.51-2.53

1 7.18

1.5 Fracture

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

Conchoidal, Splintery

1.6 Cleavage

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

None

1.7 Mohs Hardness

5-65

2 10

1.8 Chemical Composition

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

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Tremolite and Poudretteite Chemical Formula

While comparing Tremolite and Poudretteite 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 Tremolite and Poudretteite chemical formula.

Chemical formula of Tremolite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tremolite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tremolite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tremolite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Tremolite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.