Calcite and Scapolite Physical Properties

Calcite

Scapolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.732.58-2.74

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery

1.6 Cleavage

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

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

35.5-6

2 10

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

Calcite and Scapolite Chemical Formula

While comparing Calcite and Scapolite 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 and Scapolite chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

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Calcite and Scapolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Scapolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Scapolite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 2.58-2.74 whereas that of Scapolite is 2.58-2.74.