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Tektite
Tektite

Goethite
Goethite



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Tektite
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Goethite

Tektite and Goethite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
HCl soluble

Durability

-
-

Specific Gravity

2.34-2.514.27-4.29
1 7.18
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Fracture

-
Uneven

Cleavage

None
Perfect {010}

Mohs Hardness

-99995-5.5
2 10
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Chemical Composition

SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O
FeO(OH)Arthur Thomas , Gemstones (2009)

Tektite and Goethite Chemical Formula

While comparing Tektite 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 Tektite and Goethite chemical formula.

  • Chemical formula of Tektite- SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O
  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Tektite and Goethite Specific Gravity

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