Fire Opal and Rock Crystal Physical Properties

Fire Opal

Rock Crystal

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.97-2.222.65

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Fire Opal and Rock Crystal Chemical Formula

While comparing Fire Opal and Rock Crystal 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 Rock Crystal chemical formula.

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

Compare Red Gemstones

Fire Opal Vs Hexagonite

Fire Opal Vs Hackmanite

Fire Opal Vs Garnet

Fire Opal and Rock Crystal Specific Gravity

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