Triplite and Corundum Physical Properties

Triplite

Corundum

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.85-3.943.90-4.05

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Difficult, Fibrous

1.6 Cleavage

{010} Good, {100} Distinct

None – parting in 3 directions

1.7 Mohs Hardness

5-5.59

2 10

1.8 Chemical Composition

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

Al 2O 3Arthur Thomas , Gemstones (2009)

Triplite and Corundum Chemical Formula

While comparing Triplite and Corundum 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 Corundum chemical formula.

Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Compare Red Gemstones

Triplite Vs Watermelon Tourmaline

Triplite Vs White Opal

Triplite Vs Willemite

Triplite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Triplite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Triplite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Triplite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.