Lawsonite and Hercynite Physical Properties

Lawsonite

Hercynite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.094.39

1 7.18

1.5 Fracture

White, Yellow, Pale blue, Brittle, Uneven

ConchoidalGemdat.org, Uneven

1.6 Cleavage

Perfect on {100} and {010}, imperfect on {101}

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

1.7 Mohs Hardness

87.5-8

2 10

1.8 Chemical Composition

Not Available

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

Lawsonite and Hercynite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Hercynite chemical formula.

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

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Lawsonite and Hercynite Specific Gravity

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