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Achroite
Achroite

Almandine Garnet
Almandine Garnet



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Achroite
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Almandine Garnet

Achroite and Almandine Garnet Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.40
4.3
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Not Available
1.6 Cleavage
Not Available
None.
1.7 Mohs Hardness
7-7.5
7.5-8.5
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.
Fe3Al2Si3O12

Achroite and Almandine Garnet Chemical Formula

While comparing Achroite and Almandine Garnet 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 Almandine Garnet 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 Almandine Garnet- Fe3Al2Si3O12

Achroite and Almandine Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Almandine Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Almandine Garnet Optical Properties during the identification of gemstone. Specific gravity of Achroite is 4.3 whereas that of Almandine Garnet is 4.3.

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