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Arfvedsonite
Arfvedsonite

Star Ruby
Star Ruby



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Arfvedsonite
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Star Ruby

Arfvedsonite and Star Ruby Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.3-3.53.95-4.10
Amber
1 7.18
1.5 Fracture
Uneven, Brittle, Metallic, Brittle, Metallic
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Perfect on [110]
Not Available
1.7 Mohs Hardness
5-6Not Available
Amber
2 10
1.8 Chemical Composition
NaNa2(Fe++4Fe+++)Si8O22(OH)2
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Star Ruby Chemical Formula

While comparing Arfvedsonite and Star Ruby 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 Arfvedsonite and Star Ruby chemical formula.

  • Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Arfvedsonite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Arfvedsonite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Arfvedsonite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Arfvedsonite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.