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Star Sapphire
Star Sapphire

Montebrasite
Montebrasite



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Star Sapphire
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Montebrasite

Star Sapphire and Montebrasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.
 
-
-
-
2.98-3.10
Uneven, Conchoidal
{100} Perfect, {110} Good, {011} Distinct
5.5-6
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Star Sapphire and Montebrasite Chemical Formula

While comparing Star Sapphire and Montebrasite 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 Montebrasite chemical formula.

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Star Sapphire and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire Vs Montebrasite during the identification of gemstone. Specific gravity of Star Sapphire is whereas that of Montebrasite is .