Calcite and Rutile Physical Properties

Calcite

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.73

4.20-4.30

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

6-6.5

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

TiO 2Michael OâDonoghue , 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 OâDonoghue , Gems, Sixth Edition (2006)

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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.