Apophyllite KF and Charoite Physical Properties

Apophyllite KF

Charoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.372.54-2.78

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {001}, imperfect on {110}

Good in three directions

1.7 Mohs Hardness

4.5-55-6

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

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

Apophyllite KF and Charoite Chemical Formula

While comparing Apophyllite KF 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 Apophyllite KF and Charoite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Apophyllite KF Vs Nepouite

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Hauyne

Apophyllite KF and Charoite Specific Gravity

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