Pumpellyite and Fluorite Physical Properties

Pumpellyite

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

3.20-3.303.00-3.25

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5-64

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

CaF₂

Pumpellyite and Fluorite Chemical Formula

While comparing Pumpellyite 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 Pumpellyite and Fluorite chemical formula.

Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Chemical formula of Fluorite- CaF₂

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Pumpellyite Vs Sapphire

Pumpellyite Vs Rubellite

Pumpellyite and Fluorite Specific Gravity

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