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Charoite
Charoite

Spinel
Spinel



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Charoite
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Spinel

Charoite and Spinel Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
none
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.54-2.783.64-3.66
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Good in three directions
None, but may exhibit slight parting
1.7 Mohs Hardness
5-68
Amber
2 10
1.8 Chemical Composition
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
MgAl2O4

Charoite and Spinel Chemical Formula

While comparing Charoite and Spinel 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 Charoite and Spinel chemical formula.

  • Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Spinel- MgAl2O4

Charoite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charoite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Charoite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.