Cassiterite and Periclase Physical Properties

Cassiterite

Periclase

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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

6.86-7.033.7-3.9

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

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

{001} perfect; {111} imperfect, may exhibit parting on , {011}

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

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

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Cassiterite and Periclase Chemical Formula

While comparing Cassiterite and Periclase 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 Periclase chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Cassiterite and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Periclase Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 3.7-3.9 whereas that of Periclase is 3.7-3.9.