Friedelite and Iddingsite Physical Properties

Friedelite

Iddingsite

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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

3.06-3.192.5-2.8

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

Not Available

1.6 Cleavage

{010} Perfect

{???} Perfect

1.7 Mohs Hardness

4-53

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

MgO.Fe2O3.3SiO2•4(H2O)

Friedelite and Iddingsite Chemical Formula

While comparing Friedelite and Iddingsite 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 Friedelite and Iddingsite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)

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Friedelite and Iddingsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Iddingsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Iddingsite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 2.5-2.8 whereas that of Iddingsite is 2.5-2.8.