Crocoite and Siderite Physical Properties

Crocoite

Siderite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.90-6.103.83-3.89

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

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

Perfect on {01 1 1}

1.7 Mohs Hardness

2.5-33.5-4.5

2 10

1.8 Chemical Composition

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

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

Crocoite and Siderite Chemical Formula

While comparing Crocoite 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 Crocoite and Siderite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael 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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Crocoite and Siderite Specific Gravity

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