Andradite and Starlite Physical Properties

Andradite

Starlite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.103.91-4.73

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

6.5-76.5-7.5

2 10

1.8 Chemical Composition

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

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Andradite and Starlite Chemical Formula

While comparing Andradite and Starlite 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 Andradite and Starlite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Andradite Vs Augite

Andradite Vs Astrophyllite

Andradite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.