Hollandite and Cassiterite Physical Properties

Hollandite

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

5.056.86-7.03

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Distinct / Good, Prismatic

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

1.7 Mohs Hardness

4-66-7

2 10

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

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

Hollandite and Cassiterite Chemical Formula

While comparing Hollandite 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 Hollandite and Cassiterite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hollandite Vs Musgravite

Hollandite and Cassiterite Specific Gravity

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