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Riebeckite
Riebeckite

Anglesite
Anglesite



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Riebeckite
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Anglesite

Riebeckite and Anglesite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.28-3.446.30-6.39
1 7.18
👆🏻

Fracture

Uneven, Splintery
Conchoidal

Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
[001] good, [210] distinct

Mohs Hardness

5.0-6.03-3.5
2 10
👆🏻

Chemical Composition

Na2Fe2+3Fe3+2Si8O22(OH)2
PbSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Riebeckite and Anglesite Chemical Formula

While comparing Riebeckite and Anglesite 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 Riebeckite and Anglesite chemical formula.

  • Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2
  • Chemical formula of Anglesite- PbSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Riebeckite and Anglesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Anglesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Anglesite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 6.30-6.39 whereas that of Anglesite is 6.30-6.39.