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Phosphosiderite
Phosphosiderite

Powellite
Powellite



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Phosphosiderite
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Powellite

Phosphosiderite and Powellite 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)
 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Phosphosiderite and Powellite Chemical Formula

While comparing Phosphosiderite and Powellite 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 Powellite chemical formula.

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Phosphosiderite and Powellite Specific Gravity

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