Calcite and Leucite Physical Properties

Calcite

Leucite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.732.45-2.50

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Poor on {110}

1.7 Mohs Hardness

35.5-6

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Calcite and Leucite Chemical Formula

While comparing Calcite and Leucite 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 Leucite chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Calcite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.