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Elbaite
Elbaite

Amethyst
Amethyst



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Elbaite
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Amethyst

Elbaite and Amethyst Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
insoluble in common solvents

Durability

-
-

Specific Gravity

2.90-3.102.65
1 7.18
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Fracture

Uneven, Conchoidal
Conchoidal, ConchoidalWalter Schumann

Cleavage

Poor/indistinct on {1120} and {1011}
Indiscernible

Mohs Hardness

77
2 10
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Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
SiO2

Elbaite and Amethyst Chemical Formula

While comparing Elbaite 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 Elbaite and Amethyst chemical formula.

  • Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  • Chemical formula of Amethyst- SiO2

Elbaite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.65 whereas that of Amethyst is 2.65.