Chrome-Chalcedony and Afghanite Physical Properties

Chrome-Chalcedony

Afghanite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.70

None

6.5-7

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

2.55-2.65

Conchoidal

Perfect {10 1 0}

5.5-6

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Chrome-Chalcedony and Afghanite Chemical Formula

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

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Chrome-Chalcedony and Afghanite Specific Gravity

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