Tourmaline and Cuprite Physical Properties

Tourmaline

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

2.85-3.355.85-6.15

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Indistinct

Fair in four directions forming octahedrons

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Cuprite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Cuprite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tourmaline and Cuprite Specific Gravity

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