Siderite and Sardonyx Physical Properties

Siderite

Sardonyx

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.83-3.892.55-2.70

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Not Available

1.6 Cleavage

Perfect on {01 1 1}

Not Available

1.7 Mohs Hardness

3.5-4.56.5-7

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Siderite and Sardonyx Chemical Formula

While comparing Siderite and Sardonyx 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 Sardonyx chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

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Siderite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.