Jeremejevite and Goethite Physical Properties

Jeremejevite

Goethite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.314.27-4.29

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).

1.6 Cleavage

None observed

Perfect {010}

1.7 Mohs Hardness

6.5-7.55-5.5

2 10

1.8 Chemical Composition

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

FeO(OH)Arthur Thomas , Gemstones (2009)

Jeremejevite and Goethite Chemical Formula

While comparing Jeremejevite 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 Jeremejevite and Goethite chemical formula.

Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

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Jeremejevite and Goethite Specific Gravity

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