Goethite and Prasiolite Physical Properties

Goethite

Prasiolite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

HCl soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.27-4.292.65

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect {010}

3,1

1.7 Mohs Hardness

5-5.57

2 10

1.8 Chemical Composition

FeO(OH)Arthur Thomas , Gemstones (2009)

SiO 2Ulrich Henn and Claudio C.

Goethite and Prasiolite Chemical Formula

While comparing Goethite and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

Compare Brown Gemstones

Goethite Vs Jadeite

Goethite Vs Jacobsite

Goethite Vs Kyanite Cyprine

Goethite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 2.65 whereas that of Prasiolite is 2.65.