Siderite and Dallasite Physical Properties

Siderite

Dallasite

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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

3.83-3.892.58-2.91

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

Not Available

Siderite and Dallasite Chemical Formula

While comparing Siderite and Dallasite 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 Dallasite chemical formula.

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

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Siderite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.