Siderite and Crocoite Physical Properties

Siderite

Crocoite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.83-3.895.90-6.10

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Perfect on {01 1 1}

{110} Distinct, {001} Indistinct, {100} Indistinct

Mohs Hardness

3.5-4.52.5-3

2 10

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Chemical Composition

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

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Siderite and Crocoite Chemical Formula

While comparing Siderite and Crocoite 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 Crocoite chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Siderite and Crocoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Crocoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Crocoite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 5.90-6.10 whereas that of Crocoite is 5.90-6.10.