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Fluorite
Fluorite

Obsidian
Obsidian



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Fluorite
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Obsidian

Fluorite and Obsidian Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
slightly water soluble and in hot hydrochloric acid
-
3.00-3.25
Subconchoidal, Uneven, ConchoidalWalter Schumann
Octahedral, perfect on {111}, parting on {011}
4
CaF2
 
-
-
-
2.35-2.60
Conchoidal, ConchoidalWalter Schumann
None
5-5.5
SiO2

Fluorite and Obsidian Chemical Formula

While comparing Fluorite and Obsidian 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 Obsidian chemical formula.

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Fluorite and Obsidian Specific Gravity

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