Poldervaartite and Cassiterite Physical Properties

Poldervaartite

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

2.916.86-7.03

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Cassiterite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Cassiterite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)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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Poldervaartite and Cassiterite Specific Gravity

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