Omphacite and Cassiterite Physical Properties

Omphacite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.436.86-7.03

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

{110} Good, {110} Good

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

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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

Omphacite and Cassiterite Chemical Formula

While comparing Omphacite 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 Omphacite and Cassiterite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Omphacite and Cassiterite Specific Gravity

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