Catapleiite and Poldervaartite Physical Properties

Catapleiite

Poldervaartite

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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

2.722.91

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Handbook of mineralogy (2001)

1.6 Cleavage

{110} Perfect, {010} Perfect

None

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Catapleiite and Poldervaartite Chemical Formula

While comparing Catapleiite and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Catapleiite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Catapleiite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Catapleiite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Catapleiite is 2.91 whereas that of Poldervaartite is 2.91.