Charoite and Apophyllite Physical Properties

Charoite

Apophyllite

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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

2.54-2.782.30-2.50

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good in three directions

Perfect on (001)

1.7 Mohs Hardness

5-64.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Charoite and Apophyllite Chemical Formula

While comparing Charoite and Apophyllite 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 Apophyllite 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 Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Charoite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Charoite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Charoite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.