Home
×

Riebeckite
Riebeckite

Augelite
Augelite



ADD
Compare
X
Riebeckite
X
Augelite

Riebeckite and Augelite 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
3.28-3.44
2.70-2.75
1.5 Fracture
Uneven, Splintery, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
From the Greek for luster, for its pearly luster on the cleavage.
1.7 Mohs Hardness
5.0-6.0
4.5-5
1.8 Chemical Composition
Not Available
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Riebeckite and Augelite Chemical Formula

While comparing Riebeckite and Augelite 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 Augelite chemical formula.

    >
  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Riebeckite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.