Prasiolite and Prehnite Physical Properties

Prasiolite

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

2.65

2.80-2.95

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

Distinct on [001]

1.7 Mohs Hardness

6-6.5

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Ca₂Al₂Si₃O₁₂(OH)

Prasiolite and Prehnite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Prehnite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

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Prasiolite and Prehnite Specific Gravity

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