Triplite and Kyanite Physical Properties

Triplite

Kyanite

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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

3.85-3.943.53-3.65

1 7.18

1.5 Fracture

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

Splintery, Brittle, Metallic

1.6 Cleavage

{010} Good, {100} Distinct

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

5-5.54-7

2 10

1.8 Chemical Composition

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

Not Available

Triplite and Kyanite Chemical Formula

While comparing Triplite and Kyanite 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 Kyanite 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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Triplite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Triplite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Triplite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Triplite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.