Tigers Eye and Prehnite Physical Properties

Tigers Eye

Prehnite

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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

2.58-2.64

2.80-2.95

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

Indiscernible

Distinct on [001]

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

SiO₂

Ca₂Al₂Si₃O₁₂(OH)

Tigers Eye and Prehnite Chemical Formula

While comparing Tigers Eye 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 Tigers Eye and Prehnite chemical formula.

Chemical formula of Tigers Eye- SiO₂
Chemical formula of Prehnite- Ca₂Al₂Si₃O₁₂(OH)

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Tigers Eye and Prehnite Specific Gravity

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