Uvarovite and Andradite Physical Properties

Uvarovite

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

3.773.70-4.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

none

1.7 Mohs Hardness

6.5-7.56.5-7

2 10

1.8 Chemical Composition

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

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

Uvarovite and Andradite Chemical Formula

While comparing Uvarovite 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 Uvarovite and Andradite chemical formula.

Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Uvarovite and Andradite Specific Gravity

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