Rutile and Fluorite Physical Properties

Rutile

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

Insoluble in acids

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

4.20-4.303.00-3.25

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

{110} good, 100 moderate, parting on {092} and {011}

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

Mohs Hardness

6-6.54

2 10

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Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

CaF₂

Rutile and Fluorite Chemical Formula

While comparing Rutile 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 Rutile and Fluorite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fluorite- CaF₂

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Rutile and Fluorite Specific Gravity

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