Iddingsite and Diaspore Physical Properties

Iddingsite

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.5-2.83.30-3.40

1 7.18

1.5 Fracture

Not Available

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{???} Perfect

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

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

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

Iddingsite and Diaspore Chemical Formula

While comparing Iddingsite 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 Iddingsite and Diaspore chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Iddingsite and Diaspore Specific Gravity

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