Chiastolite and Calcite Physical Properties

Chiastolite

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

3.00-3.152.67-2.73

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5-5.53

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

CaCO 3Ulrich Henn and Claudio C.

Chiastolite and Calcite Chemical Formula

While comparing Chiastolite 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 Chiastolite and Calcite chemical formula.

Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Chiastolite and Calcite Specific Gravity

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