Topaz and Triplite Physical Properties

Topaz

Triplite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.49-3.573.85-3.94

1 7.18

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Fracture

Subconchoidal, Uneven, Conchoidal

Conchoidal, Uneven

Cleavage

[001] Perfect

{010} Good, {100} Distinct

Mohs Hardness

85-5.5

2 10

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Chemical Composition

Al₂SiO₄(F,OH)₂

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

Topaz and Triplite Chemical Formula

While comparing Topaz 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 Topaz and Triplite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Sagittarius

Topaz Vs Petoskey Stone

Topaz Vs Pietersite

Topaz Vs Quartz Smoky

Topaz and Triplite Specific Gravity

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