Akoya pearl and Calcite Physical Properties

Akoya pearl

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

Not Available2.67-2.73

1 7.18

2.5 Fracture

Not Available

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

2.6 Cleavage

Not Available

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

2.7 Mohs Hardness

Not Available3

2 10

2.11 Chemical Composition

Not Available

CaCO 3Ulrich Henn and Claudio C.

Akoya pearl and Calcite Chemical Formula

While comparing Akoya pearl 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 Akoya pearl and Calcite chemical formula.

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

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Akoya pearl Vs Cordierite

Akoya pearl and Calcite Specific Gravity

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