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Friedelite and Goethite Physical Properties


Goethite and Friedelite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
HCl soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.06-3.19   
4.27-4.29   

Fracture
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven   
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).   

Cleavage
{010} Perfect   
Perfect {010}   

Mohs Hardness
4-5   
5-5.5   

Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   
FeO(OH)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Friedelite and Goethite Chemical Formula

While comparing Friedelite and Goethite 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 Goethite chemical formula.

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Friedelite and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Goethite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 4.27-4.29 whereas that of Goethite is 4.27-4.29.

Red Gemstones

Red Gemstones


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