Poldervaartite and Fluorite Physical Properties

Poldervaartite

Fluorite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

slightly water soluble and in hot hydrochloric acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.913.00-3.25

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

None

Octahedral, perfect on {111}, parting on {011}

1.7 Mohs Hardness

Not Available4

2 10

1.8 Chemical Composition

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

CaF₂

Poldervaartite and Fluorite Chemical Formula

While comparing Poldervaartite and Fluorite 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 Fluorite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Fluorite- CaF₂

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Poldervaartite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.