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Emerald
Emerald

Childrenite
Childrenite



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Emerald
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Emerald and Childrenite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Hard
Not Available
1.4 Specific Gravity
2.67-2.78
3.06-3.25
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
1.6 Cleavage
Imperfect on the [0001]
Poor/indistinct on {100}
1.7 Mohs Hardness
7.5-8
4.5-5
1.8 Chemical Composition
Be3Al2SiO6
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Emerald and Childrenite Chemical Formula

While comparing Emerald and Childrenite 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 Emerald and Childrenite chemical formula.

  • Chemical formula of Emerald- Be3Al2SiO6
  • Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Emerald and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.