Calcite Satin Spar and Achroite Physical Properties

Calcite Satin Spar

Achroite

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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

2.67-2.732.90-3.40

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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.

Calcite Satin Spar and Achroite Chemical Formula

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

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

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Calcite Satin Spar and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite Satin Spar and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite Satin Spar and Achroite Optical Properties during the identification of gemstone. Specific gravity of Calcite Satin Spar is 2.90-3.40 whereas that of Achroite is 2.90-3.40.