Triplite and Goethite Physical Properties

Triplite

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

3.85-3.944.27-4.29

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

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

1.6 Cleavage

{010} Good, {100} Distinct

Perfect {010}

1.7 Mohs Hardness

5-5.55-5.5

2 10

1.8 Chemical Composition

(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

FeO(OH)Arthur Thomas , Gemstones (2009)

Triplite and Goethite Chemical Formula

While comparing Triplite 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 Triplite and Goethite chemical formula.

Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Compare Red Gemstones

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Triplite Vs Willemite

Triplite Vs White Opal

Triplite and Goethite Specific Gravity

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