Augelite and Phosphosiderite Physical Properties

Augelite

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.70-2.752.74-2.76

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

From the Greek for luster, for its pearly luster on the cleavage.

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

4.5-53.5-4

2 10

1.8 Chemical Composition

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Augelite and Phosphosiderite Chemical Formula

While comparing Augelite and Phosphosiderite 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 Augelite and Phosphosiderite chemical formula.

Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Augelite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.