Oligoclase and Catapleiite Physical Properties

Oligoclase

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

2.62-2.672.72

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Oligoclase and Catapleiite Chemical Formula

While comparing Oligoclase 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 Oligoclase and Catapleiite chemical formula.

Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Oligoclase Vs Phenakite

Oligoclase Vs Phosphophyllite

Oligoclase Vs Pezzottaite

Oligoclase and Catapleiite Specific Gravity

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