Mottramite and Charoite Physical Properties

Mottramite

Charoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.3 Solubility

Soluble

Not Available

1.5 Durability

Not Available

1.7 Specific Gravity

5.92.54-2.78

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

2 10

1.11 Chemical Composition

Not Available

K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , 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.

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

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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.