Catapleiite and Spinel Physical Properties

Catapleiite

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

2.723.64-3.66

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Perfect, {010} Perfect

None, but may exhibit slight parting

1.7 Mohs Hardness

5-68

2 10

1.8 Chemical Composition

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

MgAl₂O₄

Catapleiite and Spinel Chemical Formula

While comparing Catapleiite 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 Catapleiite and Spinel chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Spinel- MgAl₂O₄

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Catapleiite and Spinel Specific Gravity

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