Thomsonite and Fluorite Physical Properties

Thomsonite

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

2.25-2.403.00-3.25

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

perfect on {010}; good on {100}

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

1.7 Mohs Hardness

5-5.54

2 10

1.8 Chemical Composition

NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaF₂

Thomsonite and Fluorite Chemical Formula

While comparing Thomsonite 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 Thomsonite and Fluorite chemical formula.

Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fluorite- CaF₂

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Thomsonite and Fluorite Specific Gravity

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