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Grandidierite
Grandidierite

Danburite
Danburite



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Grandidierite
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Danburite

Grandidierite and Danburite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
 
Brittle
-
-
2.97-3.03
Uneven, ConchoidalWalter Schumann, Conchoidal
{001} Poor
7
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Grandidierite and Danburite Chemical Formula

While comparing Grandidierite and Danburite 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 Danburite chemical formula.

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Grandidierite and Danburite Specific Gravity

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