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Fluorite
Fluorite

Amethyst
Amethyst



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Fluorite
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Amethyst

Fluorite and Amethyst Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

slightly water soluble and in hot hydrochloric acid
insoluble in common solvents

Durability

-
-

Specific Gravity

3.00-3.252.65
1 7.18
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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann
Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Mohs Hardness

47
2 10
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Chemical Composition

CaF2
SiO2

Fluorite and Amethyst Chemical Formula

While comparing Fluorite and Amethyst 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 Amethyst chemical formula.

  • Chemical formula of Fluorite- CaF2
  • Chemical formula of Amethyst- SiO2

Fluorite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.65 whereas that of Amethyst is 2.65.