Hercynite and Boleite Physical Properties

Hercynite

Boleite

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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

4.395.05

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

[001] perfect

1.7 Mohs Hardness

7.5-83-3.5

2 10

1.8 Chemical Composition

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

Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Hercynite and Boleite Chemical Formula

While comparing Hercynite and Boleite 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 Boleite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Boleite- Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Hercynite and Boleite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Boleite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Boleite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 5.05 whereas that of Boleite is 5.05.