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Rossmanite
Rossmanite

Charoite
Charoite



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Rossmanite
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Charoite

Rossmanite and Charoite 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
32.54-2.78
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
None
Good in three directions
1.7 Mohs Hardness
Not Available5-6
Amber
2 10
1.8 Chemical Composition
◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Rossmanite and Charoite Chemical Formula

While comparing Rossmanite and Charoite 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 Rossmanite and Charoite chemical formula.

  • Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  • Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Rossmanite and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Charoite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.54-2.78 whereas that of Charoite is 2.54-2.78.