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Cuprite
Cuprite

Tourmaline
Tourmaline



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Cuprite and Tourmaline Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.85-6.15
2.85-3.35
1.5 Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Fair in four directions forming octahedrons
Indistinct
1.7 Mohs Hardness
3.5-4
7-7.5
1.8 Chemical Composition
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Cuprite and Tourmaline Chemical Formula

While comparing Cuprite and Tourmaline 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 Cuprite and Tourmaline chemical formula.

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

Cuprite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.