Siderite and Sunstone Physical Properties

Siderite

Sunstone

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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

3.83-3.892.62-2.65

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Gemstones of the world (2001)

1.6 Cleavage

Perfect on {01 1 1}

001

1.7 Mohs Hardness

3.5-4.56

2 10

1.8 Chemical Composition

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

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Siderite and Sunstone Chemical Formula

While comparing Siderite and Sunstone 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 Sunstone chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Siderite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.