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Ludlamite
Ludlamite

Siderite
Siderite



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Ludlamite
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Siderite

Ludlamite and Siderite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.1-3.2
-
Vitreous, pearly on cleavage
3-4
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
3.83-3.89
Uneven, Conchoidal
Perfect on {01 1 1}
3.5-4.5
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ludlamite and Siderite Chemical Formula

While comparing Ludlamite and Siderite 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 Ludlamite and Siderite chemical formula.

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Ludlamite and Siderite Specific Gravity

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