Fluorite and Poldervaartite Physical Properties

Fluorite

Poldervaartite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.252.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

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

None

1.7 Mohs Hardness

4Not Available

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Poldervaartite Chemical Formula

While comparing Fluorite and Poldervaartite 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 Fluorite and Poldervaartite chemical formula.

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

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Fluorite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.91 whereas that of Poldervaartite is 2.91.