Pearl and Hercynite Physical Properties

Pearl

Hercynite

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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

2.60-2.854.39

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

ConchoidalGemdat.org, Uneven

1.6 Cleavage

none

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

1.7 Mohs Hardness

2.5-4.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Pearl and Hercynite Chemical Formula

While comparing Pearl 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 Pearl and Hercynite chemical formula.

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

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Pearl and Hercynite Specific Gravity

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