Oligoclase and Bloodstone Heliotrope Physical Properties

Oligoclase

Bloodstone Heliotrope

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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

2.62-2.672.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

Not Available

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

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

SiO 2Arthur Thomas , Gemstones (2009)

Oligoclase and Bloodstone Heliotrope Chemical Formula

While comparing Oligoclase and Bloodstone Heliotrope 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 Bloodstone Heliotrope 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 Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)

Compare Colorless Gems

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Oligoclase and Bloodstone Heliotrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Bloodstone Heliotrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Bloodstone Heliotrope Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 2.55-2.70 whereas that of Bloodstone Heliotrope is 2.55-2.70.