Spinel and Triplite Physical Properties

Spinel

Triplite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.663.85-3.94

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

None, but may exhibit slight parting

{010} Good, {100} Distinct

1.7 Mohs Hardness

85-5.5

2 10

1.8 Chemical Composition

MgAl₂O₄

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

Spinel and Triplite Chemical Formula

While comparing Spinel 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 Spinel and Triplite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Scorpio

Spinel Vs Azurmalachite

Spinel Vs Charoite

Spinel Vs Ametrine

Spinel and Triplite Specific Gravity

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