Smithsonite and Siderite Physical Properties

Smithsonite

Siderite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.653.83-3.89

1 7.18

1.5 Fracture

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

Perfect on [1011]

Perfect on {01 1 1}

1.7 Mohs Hardness

5-5.53.5-4.5

2 10

1.8 Chemical Composition

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Smithsonite and Siderite Chemical Formula

While comparing Smithsonite and Siderite 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 Smithsonite and Siderite chemical formula.

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

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Smithsonite and Siderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.