Calcite and Benitoite Physical Properties

Calcite

Benitoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Insoluble: HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.733.61-3.68

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

[10 1 1] poor

1.7 Mohs Hardness

36-6.5

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Calcite and Benitoite Chemical Formula

While comparing Calcite and Benitoite 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 Benitoite chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Calcite and Benitoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Benitoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Benitoite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 3.61-3.68 whereas that of Benitoite is 3.61-3.68.