Triplite and Polyhalite Physical Properties

Triplite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.85-3.942.78

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{010} Good, {100} Distinct

Perfect on {10 1 }; parting on {010}

1.7 Mohs Hardness

5-5.53.5

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 Polyhalite Chemical Formula

While comparing Triplite and Polyhalite 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 Polyhalite chemical formula.

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

Compare Red Gemstones

Triplite Vs Watermelon Tourmaline

Triplite Vs Willemite

Triplite Vs White Opal

Triplite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Triplite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Triplite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Triplite is 2.78 whereas that of Polyhalite is 2.78.