Dallasite and Charoite Physical Properties

Dallasite

Charoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.912.54-2.78

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Good in three directions

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Charoite Chemical Formula

While comparing Dallasite 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 Dallasite 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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Dallasite and Charoite Specific Gravity

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