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Siderite
Siderite

Precious Opal
Precious Opal



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Siderite
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Precious Opal

Siderite and Precious Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.83-3.891.98-2.25
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {01 1 1}
Not Available
1.7 Mohs Hardness
3.5-4.55-6.5
Amber
2 10
1.8 Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Siderite and Precious Opal Chemical Formula

While comparing Siderite and Precious 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 Siderite and Precious Opal chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Siderite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Siderite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.