Augite and Hercynite Physical Properties

Augite

Hercynite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.19-3.564.39

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

ConchoidalGemdat.org, Uneven

1.6 Cleavage

{110} Perfect, {010} Indistinct

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

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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

Augite and Hercynite Chemical Formula

While comparing Augite 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 Augite and Hercynite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Compare Green Gemstones

Augite Vs Bloodstone Heliotrope

Augite Vs Blue John

Augite Vs Boulder Opal

Augite and Hercynite Specific Gravity

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