Brookite and Ferro-axinite Axinite-Fe Physical Properties

Brookite

Ferro-axinite Axinite-Fe

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.87-4.143.25-3.28

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven

Cleavage

Poor on {120}, in traces on {001}

{100} Distinct, {001} Poor, {110} Poor

Mohs Hardness

5.5-66.5-7

2 10

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Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca2Fe++Al2BO3Si4O12(OH)

Brookite and Ferro-axinite Axinite-Fe Chemical Formula

While comparing Brookite and Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ferro-axinite Axinite-Fe- Ca2Fe++Al2BO3Si4O12(OH)

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Brookite and Ferro-axinite Axinite-Fe Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Ferro-axinite Axinite-Fe Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Ferro-axinite Axinite-Fe Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.25-3.28 whereas that of Ferro-axinite Axinite-Fe is 3.25-3.28.