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Mottramite
Mottramite

Charoite
Charoite



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Mottramite
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Charoite

Mottramite and Charoite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.92.54-2.78
Amber
1 7.18
1.5 Fracture
Sub-Conchoidal, Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
None observed
Good in three directions
1.7 Mohs Hardness
35-6
Amber
2 10
1.8 Chemical Composition
Not Available
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mottramite and Charoite Chemical Formula

While comparing Mottramite 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 Mottramite and Charoite chemical formula.

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

Mottramite and Charoite Specific Gravity

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