Poldervaartite and Lawsonite Physical Properties

Poldervaartite

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

2.913.09

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Not Available

Poldervaartite and Lawsonite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Lawsonite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Poldervaartite and Lawsonite Specific Gravity

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