Iddingsite and Hackmanite Physical Properties

Iddingsite

Hackmanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.5-2.82.27-2.33

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{???} Perfect

Not Available

1.7 Mohs Hardness

35.5-6

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Iddingsite and Hackmanite Chemical Formula

While comparing Iddingsite and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Iddingsite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iddingsite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iddingsite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Iddingsite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.