Eosphorite and Goethite Physical Properties

Eosphorite

Goethite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

HCl soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.084.27-4.29

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

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

1.6 Cleavage

Poor on {100}

Perfect {010}

1.7 Mohs Hardness

55-5.5

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

FeO(OH)Arthur Thomas , Gemstones (2009)

Eosphorite and Goethite Chemical Formula

While comparing Eosphorite 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 Eosphorite and Goethite chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Compare Yellow Gemstones

Eosphorite Vs Fluorite

Eosphorite Vs Gadolinium Gallium Garnet

Eosphorite Vs Forsterite

Eosphorite and Goethite Specific Gravity

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