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Mellite
Mellite

Danburite
Danburite



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Mellite
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Danburite

Mellite and Danburite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.58-1.60
Conchoidal
{011} Imperfect
2
Al 2(Cl 2O 12) · 18H 2OUlrich 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

Mellite and Danburite Chemical Formula

While comparing Mellite 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 Mellite and Danburite chemical formula.

  • Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
  • Chemical formula of Danburite- CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mellite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mellite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mellite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Mellite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.