Cassiterite and Pargasite Physical Properties

Cassiterite

Pargasite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.033.04-3.26

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Splintery, Uneven

Cleavage

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

{110} perfect

Mohs Hardness

6-75-6

2 10

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Chemical Composition

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

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Cassiterite and Pargasite Chemical Formula

While comparing Cassiterite and Pargasite 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 Pargasite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Cassiterite Vs Chrome-Chalcedony

Cassiterite Vs Cinnabar

Cassiterite Vs Crocoite

Cassiterite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.