Calcite and Enstatite Physical Properties

Calcite

Enstatite

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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

2.67-2.733.20-3.25

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

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

Good/distinct on [210]

1.7 Mohs Hardness

35.5

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Calcite and Enstatite Chemical Formula

While comparing Calcite and Enstatite 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 Enstatite chemical formula.

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

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Calcite and Enstatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Enstatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Enstatite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 3.20-3.25 whereas that of Enstatite is 3.20-3.25.