Siderite and Diaspore Physical Properties

Siderite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.83-3.893.30-3.40

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Perfect on {01 1 1}

{010} perfect, {110} distinct, {100} in traces

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Siderite and Diaspore Chemical Formula

While comparing Siderite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Siderite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Siderite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.