Hercynite and Amazonite Physical Properties

Hercynite

Amazonite

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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

4.392.55-2.57

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

KAlSi₃O₈

Hercynite and Amazonite Chemical Formula

While comparing Hercynite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Amazonite- KAlSi₃O₈

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Hercynite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.