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Calcite
Calcite

Rutile
Rutile



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Calcite
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Calcite and Rutile Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

Soluble
Insoluble in acids

Durability

-
-

Specific Gravity

2.67-2.734.20-4.30
1 7.18
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Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55
{110} good, 100 moderate, parting on {092} and {011}

Mohs Hardness

36-6.5
2 10
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Chemical Composition

CaCO 3Ulrich Henn and Claudio C.
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Calcite and Rutile Chemical Formula

While comparing Calcite and Rutile 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 Calcite and Rutile chemical formula.

  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Rutile- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Calcite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Calcite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.