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Phosphosiderite
Phosphosiderite

Ettringite
Ettringite



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Phosphosiderite
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Ettringite

Phosphosiderite and Ettringite 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)
 
-
Partially soluble in water
-
1.77
-
Perfect on {10 1 0}
2-2.5
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Phosphosiderite and Ettringite Chemical Formula

While comparing Phosphosiderite and Ettringite 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 Ettringite chemical formula.

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Phosphosiderite and Ettringite Specific Gravity

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