Williamsite and Chrome-Chalcedony Physical Properties

Williamsite

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

2.51-2.632.55-2.70

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

Not Available

1.6 Cleavage

Not Available

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Williamsite and Chrome-Chalcedony Chemical Formula

While comparing Williamsite 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 Williamsite and Chrome-Chalcedony chemical formula.

Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Williamsite and Chrome-Chalcedony Specific Gravity

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