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Hematite
Hematite

Dallasite
Dallasite



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Hematite
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Dallasite

Hematite and Dallasite 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
5.00-5.302.58-2.91
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Not Available
1.6 Cleavage
None, may show partings on {0001} and {10 1 1}
Not Available
1.7 Mohs Hardness
66.5-7
Amber
2 10
1.8 Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Not Available

Hematite and Dallasite Chemical Formula

While comparing Hematite and Dallasite 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 Hematite and Dallasite chemical formula.

  • Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
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Hematite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.