Amethyst and Scheelite Physical Properties

Amethyst

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.655.9-6.3

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Indiscernible

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

1.7 Mohs Hardness

74.5-5

2 10

1.8 Chemical Composition

SiO₂

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

Amethyst and Scheelite Chemical Formula

While comparing Amethyst and Scheelite 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 Amethyst and Scheelite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amethyst and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.