Iddingsite and Mimetite Physical Properties

Iddingsite

Mimetite

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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

2.5-2.87.10

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{???} Perfect

[10 1 1] Imperfect

1.7 Mohs Hardness

33.5

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Iddingsite and Mimetite Chemical Formula

While comparing Iddingsite and Mimetite 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 Mimetite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Iddingsite and Mimetite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iddingsite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iddingsite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Iddingsite is 7.10 whereas that of Mimetite is 7.10.