Jade and Calcite Physical Properties

Jade

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

2.90-3.382.67-2.73

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

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

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

CaCO 3Ulrich Henn and Claudio C.

Jade and Calcite Chemical Formula

While comparing Jade 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 Jade and Calcite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Jade and Calcite Specific Gravity

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