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Phosphosiderite
Phosphosiderite

Poudretteite
Poudretteite



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Phosphosiderite
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Poudretteite

Phosphosiderite and Poudretteite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.74-2.76
Uneven
{010} Perfect, {001} Distinct
3.5-4
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
 
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Phosphosiderite and Poudretteite Chemical Formula

While comparing Phosphosiderite and Poudretteite 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 Poudretteite chemical formula.

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Phosphosiderite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite Vs Poudretteite during the identification of gemstone. Specific gravity of Phosphosiderite is whereas that of Poudretteite is .