Oligoclase and Glaucophane Physical Properties

Oligoclase

Glaucophane

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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

2.62-2.673-3.15

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

Good on [110] and on [001]

1.7 Mohs Hardness

6-6.56.0-6.5

2 10

1.8 Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Oligoclase and Glaucophane Chemical Formula

While comparing Oligoclase and Glaucophane 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 Glaucophane 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 Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

Compare Colorless Gems

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Oligoclase Vs Phosphophyllite

Oligoclase and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 3-3.15 whereas that of Glaucophane is 3-3.15.