Monazite and Spinel Physical Properties

Monazite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

4.80-5.503.64-3.66

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

None, but may exhibit slight parting

1.7 Mohs Hardness

5-5.58

2 10

1.8 Chemical Composition

(Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

MgAl₂O₄

Monazite and Spinel Chemical Formula

While comparing Monazite and Spinel 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 Monazite and Spinel chemical formula.

Chemical formula of Monazite- (Ce,La,Nd,Th)PO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Spinel- MgAl₂O₄

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Monazite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Monazite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Monazite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Monazite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.