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Elbaite
Elbaite

Brucite
Brucite



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Elbaite
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Brucite

Elbaite and Brucite Physical Properties

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Physical Properties

Tenacity

-
Sectile

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-3.102.39
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Irregular

Cleavage

Poor/indistinct on {1120} and {1011}
Perfect on {0001}

Mohs Hardness

72.5
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
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Elbaite and Brucite Chemical Formula

While comparing Elbaite and Brucite 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 Brucite 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 Brucite- Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Elbaite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.39 whereas that of Brucite is 2.39.