Jadeite and Calcite Physical Properties

Jadeite

Calcite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.38

2.67-2.73

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

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

1.6 Cleavage

Good on [110]

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

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

CaCO 3Ulrich Henn and Claudio C.

Jadeite and Calcite Chemical Formula

While comparing Jadeite and Calcite 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 Jadeite and Calcite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Jadeite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jadeite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.