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Cuprite
Cuprite

Amethyst
Amethyst



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Cuprite
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Amethyst

Cuprite and Amethyst Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.85-6.15
Conchoidal
Fair in four directions forming octahedrons
3.5-4
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2

Cuprite and Amethyst Chemical Formula

While comparing Cuprite and Amethyst 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 Amethyst chemical formula.

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Cuprite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cuprite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite Vs Amethyst during the identification of gemstone. Specific gravity of Cuprite is whereas that of Amethyst is .