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Charoite
Charoite

Mottramite
Mottramite



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Charoite
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Mottramite

Charoite and Mottramite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.54-2.785.9
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Sub-Conchoidal, Brittle, Metallic
1.6 Cleavage
Good in three directions
None observed
1.7 Mohs Hardness
5-63
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
Not Available

Charoite and Mottramite Chemical Formula

While comparing Charoite and Mottramite 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 Mottramite 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
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Charoite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charoite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Charoite is 5.9 whereas that of Mottramite is 5.9.