Sulphur and Andradite Physical Properties

Sulphur

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

2.05-2.083.70-4.10

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

Not Available6.5-7

2 10

1.8 Chemical Composition

SWalter Schumann , Gemstones of the world (2001)

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

Sulphur and Andradite Chemical Formula

While comparing Sulphur 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 Sulphur and Andradite chemical formula.

Chemical formula of Sulphur- SWalter Schumann , Gemstones of the world (2001)
Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Sulphur and Andradite Specific Gravity

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