Marialite and Prehnite Physical Properties

Marialite

Prehnite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.502.80-2.95

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Distinct on {100} and {110}

Distinct on [001]

1.7 Mohs Hardness

5.5-66-6.5

2 10

1.8 Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Ca₂Al₂Si₃O₁₂(OH)

Marialite and Prehnite Chemical Formula

While comparing Marialite and Prehnite 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 Marialite and Prehnite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

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Marialite and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marialite and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.