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Spinel
Spinel

Charoite
Charoite



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Spinel
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Charoite

Spinel and Charoite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
none
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.662.54-2.78
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
None, but may exhibit slight parting
Good in three directions
1.7 Mohs Hardness
85-6
Amber
2 10
1.8 Chemical Composition
MgAl2O4
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Spinel and Charoite Chemical Formula

While comparing Spinel and Charoite 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 Spinel and Charoite chemical formula.

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

Spinel and Charoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Charoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Charoite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.54-2.78 whereas that of Charoite is 2.54-2.78.