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Star Sapphire
Star Sapphire

Eudialyte
Eudialyte



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Star Sapphire
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Eudialyte

Star Sapphire and Eudialyte Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
H 2 SO 4
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.05
2.74-3.00
1.5 Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Distinct on {0001} imperfect on {11 2 0}
1.7 Mohs Hardness
Not Available
5-5.5
1.8 Chemical Composition
Al 2O 3Ulrich Henn and Claudio C.
Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Star Sapphire and Eudialyte Chemical Formula

While comparing Star Sapphire and Eudialyte 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 Eudialyte chemical formula.

  • Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
  • Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Star Sapphire and Eudialyte Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.