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Achroite
Achroite

Ivory
Ivory



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Achroite
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Ivory

Achroite and Ivory Physical Properties

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1 Physical Properties
1.1 Tenacity
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1.2 Solubility
Not Available
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1.3 Durability
Not Available
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1.4 Specific Gravity
2.90-3.401.70-2.00
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
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1.6 Cleavage
Not Available
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1.7 Mohs Hardness
7-7.52-3
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.
Not Available

Achroite and Ivory Chemical Formula

While comparing Achroite and Ivory 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 Ivory 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.
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Achroite and Ivory Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Ivory Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Ivory Optical Properties during the identification of gemstone. Specific gravity of Achroite is 1.70-2.00 whereas that of Ivory is 1.70-2.00.