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Star Sapphire
Star Sapphire

Nuummite
Nuummite



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Star Sapphire
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Nuummite

Star Sapphire and Nuummite 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
3.90-4.053.18-3.37
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal
1.6 Cleavage
Not Available
Perfect on 210
1.7 Mohs Hardness
Not Available5.5-6
Amber
2 10
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Not Available

Star Sapphire and Nuummite Chemical Formula

While comparing Star Sapphire and Nuummite 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 Star Sapphire and Nuummite chemical formula.

  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
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Star Sapphire and Nuummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Nuummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Nuummite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 3.18-3.37 whereas that of Nuummite is 3.18-3.37.