Chrome-Chalcedony and Andradite Physical Properties

Chrome-Chalcedony

Andradite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.70-4.10

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Chrome-Chalcedony and Andradite Chemical Formula

While comparing Chrome-Chalcedony and Andradite 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 Andradite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Chrome-Chalcedony and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Andradite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 3.70-4.10 whereas that of Andradite is 3.70-4.10.