Cassiterite and Demantoid Physical Properties

Cassiterite

Demantoid

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.033.77-3.95

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-76.5

2 10

1.8 Chemical Composition

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

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Cassiterite and Demantoid Chemical Formula

While comparing Cassiterite and Demantoid 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 Cassiterite and Demantoid chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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Cassiterite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.