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Rossmanite
Rossmanite

Carnelian
Carnelian



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Rossmanite
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Carnelian

Rossmanite and Carnelian 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
32.58-2.64
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
None
Absent
1.7 Mohs Hardness
Not Available6.5-7
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)
SiO2

Rossmanite and Carnelian Chemical Formula

While comparing Rossmanite and Carnelian 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 Carnelian 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 Carnelian- SiO2

Rossmanite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.