Riebeckite and Catapleiite Physical Properties

Riebeckite

Catapleiite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.442.72

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

5.0-6.05-6

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Catapleiite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Catapleiite chemical formula.

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

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Riebeckite and Catapleiite Specific Gravity

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