Charoite and Calcite Physical Properties

Charoite

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

2.54-2.782.67-2.73

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Good in three directions

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

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaCO 3Ulrich Henn and Claudio C.

Charoite and Calcite Chemical Formula

While comparing Charoite 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 Charoite and Calcite chemical formula.

Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Charoite and Calcite Specific Gravity

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