Tigers Eye and Norbergite Physical Properties

Tigers Eye

Norbergite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.64

3.177

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

Indiscernible

{???} Distinct

1.7 Mohs Hardness

6.5-7

6-6.5

1.8 Chemical Composition

SiO₂

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Tigers Eye and Norbergite Chemical Formula

While comparing Tigers Eye and Norbergite 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 Norbergite chemical formula.

Chemical formula of Tigers Eye- SiO₂
Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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Tigers Eye and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tigers Eye and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tigers Eye and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Tigers Eye is 3.177 whereas that of Norbergite is 3.177.