Pyrope and Cassiterite Physical Properties

Pyrope

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in water

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.876.86-7.03

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Pyrope and Cassiterite Chemical Formula

While comparing Pyrope 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 Pyrope and Cassiterite chemical formula.

Chemical formula of Pyrope- Mg 3Al 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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Pyrope and Cassiterite Specific Gravity

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