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Calcite
Calcite

Oligoclase
Oligoclase



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Calcite
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Oligoclase

Calcite and Oligoclase Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.67-2.73
Conchoidal
Perfect on [10 1 1] three directions with angle of 74° 55
3
CaCO 3Ulrich Henn and Claudio C.
 
-
-
-
2.62-2.67
Uneven
From the Greek, oligos and kasein, little cleavage.
6-6.5
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Calcite and Oligoclase Chemical Formula

While comparing Calcite and Oligoclase 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 Calcite and Oligoclase chemical formula.

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Calcite and Oligoclase Specific Gravity

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