Hollandite and Cuprite Physical Properties

Hollandite

Cuprite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.055.85-6.15

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Distinct / Good, Prismatic

Fair in four directions forming octahedrons

1.7 Mohs Hardness

4-63.5-4

2 10

1.8 Chemical Composition

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

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hollandite and Cuprite Chemical Formula

While comparing Hollandite and Cuprite 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 Cuprite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hollandite Vs Falcons Eye

Hollandite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.