Fire Opal and Friedelite Physical Properties

Fire Opal

Friedelite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.97-2.223.06-3.19

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

6-6.54-5

2 10

1.8 Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Fire Opal and Friedelite Chemical Formula

While comparing Fire Opal and Friedelite 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 Friedelite chemical formula.

Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Fire Opal Vs Hexagonite

Fire Opal and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.