Poldervaartite and Tigers Eye Physical Properties

Poldervaartite

Tigers Eye

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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

2.912.58-2.64

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Gems, Sixth Edition (2006)

1.6 Cleavage

None

Indiscernible

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

SiO₂

Poldervaartite and Tigers Eye Chemical Formula

While comparing Poldervaartite and Tigers Eye 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 Poldervaartite and Tigers Eye chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Tigers Eye- SiO₂

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Poldervaartite and Tigers Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Tigers Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Tigers Eye Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.58-2.64 whereas that of Tigers Eye is 2.58-2.64.