Scheelite and Chrome-Chalcedony Physical Properties

Scheelite

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.9-6.32.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

4.5-56.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Scheelite and Chrome-Chalcedony Chemical Formula

While comparing Scheelite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Scheelite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.