Dumortierite and Tremolite Physical Properties

Dumortierite

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

3.26-3.412.95-3.07

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

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

1.7 Mohs Hardness

7-8.55-6

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

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

Dumortierite and Tremolite Chemical Formula

While comparing Dumortierite 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 Dumortierite and Tremolite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Tremolite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Dumortierite and Tremolite Specific Gravity

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