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Amethyst
Amethyst

Danburite
Danburite



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Amethyst
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Danburite

Amethyst and Danburite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
Brittle
-
-
2.97-3.03
Uneven, ConchoidalWalter Schumann, Conchoidal
{001} Poor
7
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Amethyst and Danburite Chemical Formula

While comparing Amethyst and Danburite 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 Amethyst and Danburite chemical formula.

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Amethyst and Danburite Specific Gravity

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