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Elbaite
Elbaite

Hessonite
Hessonite



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Elbaite
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Hessonite

Elbaite and Hessonite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-3.103.55-3.73
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven

Cleavage

Poor/indistinct on {1120} and {1011}
None

Mohs Hardness

77-7.5
2 10
👆🏻

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
Ca3Al2(SiO4)3

Elbaite and Hessonite Chemical Formula

While comparing Elbaite and Hessonite 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 Hessonite 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 Hessonite- Ca3Al2(SiO4)3

Elbaite and Hessonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Hessonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Hessonite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.55-3.73 whereas that of Hessonite is 3.55-3.73.