Annabergite and Triplite Physical Properties

Annabergite

Triplite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.85-3.94

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

{010} Good, {100} Distinct

1.7 Mohs Hardness

25-5.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

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

Annabergite and Triplite Chemical Formula

While comparing Annabergite and Triplite 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 Annabergite and Triplite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

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Annabergite and Triplite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Triplite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.85-3.94 whereas that of Triplite is 3.85-3.94.