Amazonite and Calcite Physical Properties

Amazonite

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

2.55-2.572.67-2.73

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

1.7 Mohs Hardness

6-6.53

2 10

1.8 Chemical Composition

KAlSi₃O₈

CaCO 3Ulrich Henn and Claudio C.

Amazonite and Calcite Chemical Formula

While comparing Amazonite 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 Amazonite and Calcite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Compare Gems for Virgo

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Amazonite and Calcite Specific Gravity

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