Hercynite and Aragonite Physical Properties

Hercynite

Aragonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.392.93-2.96

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

7.5-83.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hercynite and Aragonite Chemical Formula

While comparing Hercynite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Yellow Gemstones

Hercynite Vs Jeremejevite

Hercynite Vs Kyanite Cyprine

Hercynite Vs Legrandite

Hercynite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.