Shigaite and Triplite Physical Properties

Shigaite

Triplite

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.323.85-3.94

1 7.18

1.5 Fracture

Flexible Flexible fragments.

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

1.6 Cleavage

Perfect on {0001}

{010} Good, {100} Distinct

1.7 Mohs Hardness

25-5.5

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Triplite Chemical Formula

While comparing Shigaite 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 Shigaite and Triplite chemical formula.

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

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Shigaite and Triplite Specific Gravity

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