Fluorite and Siderite Physical Properties

Fluorite

Siderite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.83-3.89

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

Perfect on {01 1 1}

1.7 Mohs Hardness

43.5-4.5

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Siderite Chemical Formula

While comparing Fluorite 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 Fluorite and Siderite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fluorite and Siderite Specific Gravity

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