Iddingsite and Gahnospinel Physical Properties

Iddingsite

Gahnospinel

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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

2.5-2.83.65-4.55

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{???} Perfect

None, but may exhibit slight parting

1.7 Mohs Hardness

37.5-8

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Iddingsite and Gahnospinel Chemical Formula

While comparing Iddingsite and Gahnospinel 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 Gahnospinel chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Iddingsite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iddingsite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iddingsite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Iddingsite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.