Achroite and Calcite Satin Spar Physical Properties

Achroite

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

2.90-3.402.67-2.73

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

CaCO 3Ulrich Henn and Claudio C.

Achroite and Calcite Satin Spar Chemical Formula

While comparing Achroite 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 Achroite and Calcite Satin Spar chemical formula.

Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Calcite Satin Spar- CaCO 3Ulrich Henn and Claudio C.

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Achroite and Calcite Satin Spar Specific Gravity

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