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Phosphosiderite
Phosphosiderite

Umbalite
Umbalite



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Phosphosiderite
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Umbalite

Phosphosiderite and Umbalite 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)
 
-
-
-
3.62-4.33
Uneven
Indiscernible
7-7.5
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

Phosphosiderite and Umbalite Chemical Formula

While comparing Phosphosiderite and Umbalite 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 Umbalite chemical formula.

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Phosphosiderite and Umbalite Specific Gravity

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