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Grandidierite
Grandidierite

Starlite
Starlite



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Grandidierite
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Starlite

Grandidierite and Starlite 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
2.85-3.003.91-4.73
Amber
1 7.18
1.5 Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect
Not Available
1.7 Mohs Hardness
7.56.5-7.5
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Grandidierite and Starlite Chemical Formula

While comparing Grandidierite and Starlite 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 Grandidierite and Starlite chemical formula.

  • Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  • Chemical formula of Starlite- ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Grandidierite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grandidierite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.