Cassiterite and Pectolite Physical Properties

Cassiterite

Pectolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.032.74-2.90

1 7.18

1.5 Fracture

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

Uneven, Gemstones (2009), Splintery

1.6 Cleavage

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

Perfect on {100} and {001}

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Cassiterite and Pectolite Chemical Formula

While comparing Cassiterite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Cassiterite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.