Goethite and Jade Physical Properties

Goethite

Jade

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.27-4.292.90-3.38

1 7.18

1.5 Fracture

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

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

Perfect {010}

1 or 2,2 prismatic.

1.7 Mohs Hardness

5-5.56-7

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Goethite and Jade Chemical Formula

While comparing Goethite and Jade 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 Jade chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Goethite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Jade Optical Properties during the identification of gemstone. Specific gravity of Goethite is 2.90-3.38 whereas that of Jade is 2.90-3.38.