Hemimorphite and Hercynite Physical Properties

Hemimorphite

Hercynite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.504.39

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

ConchoidalGemdat.org, Uneven

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

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

1.7 Mohs Hardness

57.5-8

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hemimorphite and Hercynite Chemical Formula

While comparing Hemimorphite and Hercynite 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 Hemimorphite and Hercynite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Compare Green Gemstones

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Hemimorphite Vs Kornerupine

Hemimorphite Vs Kyanite Cyprine

Hemimorphite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 4.39 whereas that of Hercynite is 4.39.