Hercynite and Antigorite Physical Properties

Hercynite

Antigorite

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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

4.392.58-2.80

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

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

{001} Good

1.7 Mohs Hardness

7.5-85-5.5

2 10

1.8 Chemical Composition

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

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Hercynite and Antigorite Chemical Formula

While comparing Hercynite and Antigorite 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 Antigorite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Hercynite and Antigorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.