Andradite and Cassiterite Physical Properties

Andradite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.106.86-7.03

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

1.6 Cleavage

none

{100} imperfect, {110} indistinct; partings on {111} or {011}

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

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

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Andradite and Cassiterite Chemical Formula

While comparing Andradite and Cassiterite 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 Cassiterite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Andradite and Cassiterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Andradite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.