Padparadscha and Andradite Physical Properties

Padparadscha

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

3.95-4.103.70-4.10

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

96.5-7

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

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

Padparadscha and Andradite Chemical Formula

While comparing Padparadscha 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 Padparadscha and Andradite chemical formula.

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

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Padparadscha and Andradite Specific Gravity

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