Almandine and Lawsonite Physical Properties

Almandine

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

3.95-4.30

3.09

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

none

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

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Not Available

Almandine and Lawsonite Chemical Formula

While comparing Almandine 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 Almandine and Lawsonite chemical formula.

Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Almandine and Lawsonite Specific Gravity

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