Gahnite and Lawsonite Physical Properties

Gahnite

Lawsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.623.09

1 7.18

1.5 Fracture

Conchoidal, Uneven

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

Indistinct parting on [111]

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

1.7 Mohs Hardness

7.5-88

2 10

1.8 Chemical Composition

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Not Available

Gahnite and Lawsonite Chemical Formula

While comparing Gahnite and Lawsonite 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 Gahnite and Lawsonite chemical formula.

Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Gahnite Vs Hydrogrossular

Gahnite Vs Howlite

Gahnite Vs Indicolite Blue Tourmaline

Gahnite and Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.09 whereas that of Lawsonite is 3.09.