Fluorite and Dumortierite Physical Properties

Fluorite

Dumortierite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Specific Gravity

3.00-3.253.26-3.41

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Fibrous, ConchoidalWalter Schumann

Cleavage

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

Distinct on {100}, poor on {110}; parting on {001}

Mohs Hardness

47-8.5

2 10

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Chemical Composition

CaF₂

AlAl₆O₃BSi₃O₁₈

Fluorite and Dumortierite Chemical Formula

While comparing Fluorite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Fluorite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.