Cassiterite and Herderite Physical Properties

Cassiterite

Herderite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

6.86-7.032.90-3.02

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal, Irregular

Subconchoidal, Conchoidal

Cleavage

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

Indistinct on {110}

Mohs Hardness

6-75-5.5

2 10

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Chemical Composition

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

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Cassiterite and Herderite Chemical Formula

While comparing Cassiterite and Herderite 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 Herderite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Compare Red Gemstones

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Cassiterite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cassiterite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cassiterite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Cassiterite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.