Poldervaartite and Iolite Physical Properties

Poldervaartite

Iolite

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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

2.912.6-2.7

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Not Available

1.6 Cleavage

None

3,1

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Poldervaartite and Iolite Chemical Formula

While comparing Poldervaartite and Iolite 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 Iolite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Poldervaartite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.