Demantoid and Chrome-Chalcedony Physical Properties

Demantoid

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.952.55-2.70

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.56.5-7

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Chrome-Chalcedony Chemical Formula

While comparing Demantoid 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 Demantoid and Chrome-Chalcedony chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Demantoid and Chrome-Chalcedony Specific Gravity

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