Adamite and Siderite Physical Properties

Adamite

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

4.32-4.483.83-3.89

1 7.18

1.8 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.9 Cleavage

{101}, good; {010}, poor

Perfect on {01 1 1}

1.10 Mohs Hardness

3.53.5-4.5

2 10

1.11 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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

Adamite and Siderite Chemical Formula

While comparing Adamite 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 Adamite and Siderite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Adamite and Siderite Specific Gravity

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