Scheelite and Calcite Physical Properties

Scheelite

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.9-6.32.67-2.73

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

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

1.6 Cleavage

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

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

1.7 Mohs Hardness

4.5-53

2 10

1.8 Chemical Composition

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaCO 3Ulrich Henn and Claudio C.

Scheelite and Calcite Chemical Formula

While comparing Scheelite 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 Scheelite and Calcite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Scheelite and Calcite Specific Gravity

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