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Brookite
Brookite

Siderite
Siderite



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Brookite
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Siderite

Brookite and Siderite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.87-4.143.83-3.89
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
1.6 Cleavage
Poor on {120}, in traces on {001}
Perfect on {01 1 1}
1.7 Mohs Hardness
5.5-63.5-4.5
Amber
2 10
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Brookite and Siderite Chemical Formula

While comparing Brookite and Siderite 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 Brookite and Siderite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Brookite and Siderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.