Common Opal and Ferro-axinite Axinite-Fe Physical Properties

Common Opal

Ferro-axinite Axinite-Fe

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

1.98-2.50

Conchoidal

None

5.5-6.5

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

3.25-3.28

Uneven

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

6.5-7

Ca2Fe++Al2BO3Si4O12(OH)

Common Opal and Ferro-axinite Axinite-Fe Chemical Formula

While comparing Common Opal 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 Common Opal and Ferro-axinite Axinite-Fe chemical formula.

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Common Opal and Ferro-axinite Axinite-Fe Specific Gravity

Another important criteria for qualitative analysis of gemstones is Common Opal 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 Common Opal Vs Ferro-axinite Axinite-Fe during the identification of gemstone. Specific gravity of Common Opal is whereas that of Ferro-axinite Axinite-Fe is .