Pargasite and Cassiterite Physical Properties

Pargasite

Cassiterite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.04-3.266.86-7.03

1 7.18

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Fracture

Splintery, Uneven

Subconchoidal, Uneven, Conchoidal, Irregular

Cleavage

{110} perfect

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

Mohs Hardness

5-66-7

2 10

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Chemical Composition

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

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

Pargasite and Cassiterite Chemical Formula

While comparing Pargasite 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 Pargasite and Cassiterite chemical formula.

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

Compare Green Gemstones

Pargasite Vs Sapphirine

Pargasite Vs Seraphinite

Pargasite Vs Smaragdite

Pargasite and Cassiterite Specific Gravity

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