Fire Opal and Fluorite Physical Properties

Fire Opal

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

1.97-2.223.00-3.25

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6-6.54

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

CaF₂

Fire Opal and Fluorite Chemical Formula

While comparing Fire Opal 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 Fire Opal and Fluorite chemical formula.

Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Fluorite- CaF₂

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Fire Opal and Fluorite Specific Gravity

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