Rubellite and Triplite Physical Properties

Rubellite

Triplite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.01-3.063.85-3.94

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven

Cleavage

Indiscernible

{010} Good, {100} Distinct

Mohs Hardness

7-7.55-5.5

2 10

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Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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

Rubellite and Triplite Chemical Formula

While comparing Rubellite 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 Rubellite and Triplite chemical formula.

Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Rubellite Vs Serendibite

Rubellite Vs Shattuckite

Rubellite Vs Sillimanite

Rubellite and Triplite Specific Gravity

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