Afghanite and Calcite Satin Spar Physical Properties

Afghanite

Calcite Satin Spar

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.65

2.67-2.73

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect {10 1 0}

Not Available

1.7 Mohs Hardness

5.5-6

Not Available

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

CaCO 3Ulrich Henn and Claudio C.

Afghanite and Calcite Satin Spar Chemical Formula

While comparing Afghanite and Calcite Satin Spar 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 Afghanite and Calcite Satin Spar chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Calcite Satin Spar- CaCO 3Ulrich Henn and Claudio C.

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Afghanite and Calcite Satin Spar Specific Gravity

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