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Quartz and Goethite Physical Properties


Goethite and Quartz Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
HCl soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
4.27-4.29   

Fracture
Conchoidal, Conchoidal, Brittle, Gems   
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).   

Cleavage
{0110} Indistinct   
Perfect {010}   

Mohs Hardness
7   
5-5.5   

Chemical Composition
SiO2   
FeO(OH)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Quartz and Goethite Chemical Formula

While comparing Quartz 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 Quartz and Goethite chemical formula.

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Quartz and Goethite Specific Gravity

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

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