Steatite and Fire Opal Physical Properties

Steatite

Fire Opal

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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

2.20-2.801.97-2.22

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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

Steatite and Fire Opal Chemical Formula

While comparing Steatite and Fire Opal 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 Steatite and Fire Opal chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Steatite and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Steatite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.