Phosphosiderite and Augelite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.76
2.70-2.75
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{010} Perfect, {001} Distinct
From the Greek for luster, for its pearly luster on the cleavage.
Mohs Hardness
3.5-4
4.5-5
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphosiderite and Augelite Chemical Formula
While comparing Phosphosiderite 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 Phosphosiderite and Augelite chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Phosphosiderite and Augelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.