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Achroite
Achroite

Halite
Halite



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Achroite
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Halite

Achroite and Halite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Water-soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.402.17
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Brittle, Metallic
1.6 Cleavage
Not Available
Perfect {001}, three directions cubic
1.7 Mohs Hardness
7-7.52.0-2.5
Amber
2 10
1.8 Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
NaCl

Achroite and Halite Chemical Formula

While comparing Achroite and Halite 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 Achroite and Halite chemical formula.

  • Chemical formula of Achroite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
  • Chemical formula of Halite- NaCl

Achroite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Halite Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.17 whereas that of Halite is 2.17.