Iolite and Tremolite Physical Properties

Iolite

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

2.6-2.72.95-3.07

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Tremolite Chemical Formula

While comparing Iolite 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 Iolite and Tremolite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Tremolite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Iolite and Tremolite Specific Gravity

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