Scheelite and Pectolite Physical Properties

Scheelite

Pectolite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.9-6.32.74-2.90

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Splintery

Cleavage

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

Perfect on {100} and {001}

Mohs Hardness

4.5-54.5-5

2 10

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Chemical Composition

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Scheelite and Pectolite Chemical Formula

While comparing Scheelite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Scheelite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.