Spinel and Carletonite Physical Properties

Spinel

Carletonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.662.45

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

None, but may exhibit slight parting

Perfect on {001}, good on {110}

1.7 Mohs Hardness

84-4.5

2 10

1.8 Chemical Composition

MgAl₂O₄

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Spinel and Carletonite Chemical Formula

While comparing Spinel and Carletonite 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 Carletonite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Scorpio

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Spinel and Carletonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Carletonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Carletonite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 2.45 whereas that of Carletonite is 2.45.