Chrome-Chalcedony and Spinel Physical Properties

Chrome-Chalcedony

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

6.5-78

2 10

1.8 Chemical Composition

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

MgAl₂O₄

Chrome-Chalcedony and Spinel Chemical Formula

While comparing Chrome-Chalcedony and Spinel 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 Spinel chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Spinel- MgAl₂O₄

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Chrome-Chalcedony and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Spinel Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.64-3.66 whereas that of Spinel is 3.64-3.66.