Lawsonite and Calcite Physical Properties

Lawsonite

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.092.67-2.73

1 7.18

1.5 Fracture

White, Yellow, Pale blue, Brittle, Uneven

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

1.6 Cleavage

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

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

CaCO 3Ulrich Henn and Claudio C.

Lawsonite and Calcite Chemical Formula

While comparing Lawsonite and Calcite 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 Calcite chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Compare Blue Gemstones

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Lawsonite Vs Paraiba

Lawsonite Vs Sylvite

Lawsonite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lawsonite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lawsonite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Lawsonite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.