Hercynite and Sanidine Physical Properties

Hercynite

Sanidine

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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

4.392.54-2.61

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

{001} Perfect, {010} Good

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Hercynite and Sanidine Chemical Formula

While comparing Hercynite and Sanidine 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 Sanidine chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hercynite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.