Rossmanite and Lawsonite Physical Properties

Rossmanite

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

33.09

1 7.18

1.5 Fracture

Brittle, Metallic

White, Yellow, Pale blue, Brittle, Uneven

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available8

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Not Available

Rossmanite and Lawsonite Chemical Formula

While comparing Rossmanite 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 Rossmanite and Lawsonite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Gems Found in America

Rossmanite Vs Scolecite

Rossmanite Vs Serandite

Rossmanite Vs Serpentine

Rossmanite and Lawsonite Specific Gravity

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