Calcite and Emerald Physical Properties

Calcite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.67-2.73

2.67-2.78

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Imperfect on the [0001]

1.7 Mohs Hardness

7.5-8

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

Be₃Al₂SiO₆

Calcite and Emerald Chemical Formula

While comparing Calcite and Emerald 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 Emerald chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Emerald- Be₃Al₂SiO₆

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Calcite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Calcite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.