Foitite and Catapleiite Physical Properties

Foitite

Catapleiite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.172.72

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

75-6

2 10

1.8 Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Foitite and Catapleiite Chemical Formula

While comparing Foitite and Catapleiite 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 Foitite and Catapleiite chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

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Foitite and Catapleiite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Foitite is 2.72 whereas that of Catapleiite is 2.72.