Lawsonite and Pumpellyite Physical Properties

Lawsonite

Pumpellyite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.093.20-3.30

1 7.18

1.5 Fracture

White, Yellow, Pale blue, Brittle, Uneven

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

85-6

2 10

1.8 Chemical Composition

Not Available

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Lawsonite and Pumpellyite Chemical Formula

While comparing Lawsonite and Pumpellyite 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 Pumpellyite chemical formula.

Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

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Lawsonite and Pumpellyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lawsonite and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lawsonite and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Lawsonite is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.