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Achroite
Achroite

Seraphinite
Seraphinite



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Achroite
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Seraphinite

Achroite and Seraphinite 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
2.90-3.402.60-3.02
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
7-7.5Not Available
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.
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Achroite and Seraphinite Chemical Formula

While comparing Achroite and Seraphinite 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 Seraphinite 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 Seraphinite- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Achroite and Seraphinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Seraphinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Seraphinite Optical Properties during the identification of gemstone. Specific gravity of Achroite is 2.60-3.02 whereas that of Seraphinite is 2.60-3.02.