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Siderite
Siderite

Tantalite
Tantalite



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Siderite
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Tantalite

Siderite and Tantalite 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
3.83-3.895.2
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {01 1 1}
Good in one direction
1.7 Mohs Hardness
3.5-4.56-6.5
Amber
2 10
1.8 Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Siderite and Tantalite Chemical Formula

While comparing Siderite and Tantalite 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 Tantalite chemical formula.

  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Siderite and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 5.2 whereas that of Tantalite is 5.2.