Charoite and Marialite Physical Properties

Charoite

Marialite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.3 Solubility

Not Available

1.5 Durability

Not Available

1.7 Specific Gravity

2.54-2.782.50

1 7.18

1.8 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.10 Cleavage

Good in three directions

Distinct on {100} and {110}

1.12 Mohs Hardness

5-65.5-6

2 10

1.14 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Charoite and Marialite Chemical Formula

While comparing Charoite and Marialite 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 Marialite 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
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Charoite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charoite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Charoite is 2.50 whereas that of Marialite is 2.50.