Hercynite and Charoite Physical Properties

Hercynite

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

4.392.54-2.78

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Good in three directions

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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

Hercynite and Charoite Chemical Formula

While comparing Hercynite 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 Hercynite and Charoite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
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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Hercynite and Charoite Specific Gravity

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