Triplite and Galena Physical Properties

Triplite

Galena

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.85-3.946.23

1 7.18

1.5 Fracture

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

Subconchoidal, Brittle, Metallic

1.6 Cleavage

{010} Good, {100} Distinct

Cubic perfect on [001], parting on [111]

1.7 Mohs Hardness

5-5.52.5-2.75

2 10

1.8 Chemical Composition

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

PbS

Triplite and Galena Chemical Formula

While comparing Triplite and Galena 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 Galena chemical formula.

Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Galena- PbS

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Triplite and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Triplite and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Triplite and Galena Optical Properties during the identification of gemstone. Specific gravity of Triplite is 6.23 whereas that of Galena is 6.23.