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Siderite
Siderite

Sylvite
Sylvite



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Siderite
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Sylvite

Siderite and Sylvite 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
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Siderite and Sylvite Chemical Formula

While comparing Siderite and Sylvite 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 Sylvite chemical formula.

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Siderite and Sylvite Specific Gravity

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