Spinel and Hureaulite Physical Properties

Spinel

Hureaulite

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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

3.64-3.663.19

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Brittle, Uneven

1.6 Cleavage

None, but may exhibit slight parting

{???} Distinct

1.7 Mohs Hardness

83.5

2 10

1.8 Chemical Composition

MgAl₂O₄

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

Spinel and Hureaulite Chemical Formula

While comparing Spinel and Hureaulite 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 Hureaulite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

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Spinel and Hureaulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Hureaulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Hureaulite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3.19 whereas that of Hureaulite is 3.19.