Siderite and Sylvite Physical Properties

Siderite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.83-3.891.993

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Uneven, Brittle

1.6 Cleavage

Perfect on {01 1 1}

Perfect on [100], [010], [001]

1.7 Mohs Hardness

3.5-4.52.5

2 10

1.8 Chemical Composition

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

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.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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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 and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 1.993 whereas that of Sylvite is 1.993.