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Thulite and Goethite Physical Properties


Goethite and Thulite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
HCl soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.1   
4.27-4.29   

Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).   

Cleavage
Perfect {010} imperfect {100}   
Perfect {010}   

Mohs Hardness
6-7   
5-5.5   

Chemical Composition
Ca2Al3(SiO4)3(OH)   
FeO(OH)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Thulite and Goethite Chemical Formula

While comparing Thulite 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 Thulite and Goethite chemical formula.

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Thulite and Goethite Specific Gravity

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

Red Gemstones

Red Gemstones


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