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Siderite
Siderite

Shigaite
Shigaite



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Siderite
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Shigaite

Siderite and Shigaite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Siderite and Shigaite Chemical Formula

While comparing Siderite and Shigaite 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 Siderite and Shigaite chemical formula.

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Siderite and Shigaite Specific Gravity

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