Whitlockite and Cassiterite Physical Properties

Whitlockite

Cassiterite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.126.86-7.03

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

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

Whitlockite and Cassiterite Chemical Formula

While comparing Whitlockite 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 Whitlockite and Cassiterite chemical formula.

Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Whitlockite and Cassiterite Specific Gravity

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