Fire Opal and Chrome Pyrope Physical Properties

Fire Opal

Chrome Pyrope

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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

1.97-2.223.62-3.80

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

Fire Opal and Chrome Pyrope Chemical Formula

While comparing Fire Opal and Chrome Pyrope 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 Chrome Pyrope chemical formula.

Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)

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Fire Opal and Chrome Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Chrome Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Chrome Pyrope Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 3.62-3.80 whereas that of Chrome Pyrope is 3.62-3.80.