Goethite and Microlite Physical Properties

Goethite

Microlite

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Physical Properties

Tenacity

Solubility

HCl soluble

Durability

Specific Gravity

4.27-4.295.5

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

Perfect {010}

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

5-5.55-5.5

2 10

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Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Goethite and Microlite Chemical Formula

While comparing Goethite and Microlite 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 Goethite and Microlite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Goethite Vs Manganaxinite

Goethite Vs Mellite

Goethite Vs Povondraite

Goethite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 5.5 whereas that of Microlite is 5.5.