Diaspore and Siderite Physical Properties

Diaspore

Siderite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.83-3.89

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

1.6 Cleavage

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

Perfect on {01 1 1}

1.7 Mohs Hardness

6.5-73.5-4.5

2 10

1.8 Chemical Composition

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

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

Diaspore and Siderite Chemical Formula

While comparing Diaspore 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 Diaspore and Siderite chemical formula.

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

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Diaspore and Siderite Specific Gravity

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