Eosphorite and Oligoclase Physical Properties

Eosphorite

Oligoclase

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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

3.05-3.082.62-2.67

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

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

1.6 Cleavage

Poor on {100}

From the Greek, oligos and kasein, little cleavage.

1.7 Mohs Hardness

56-6.5

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Eosphorite and Oligoclase Chemical Formula

While comparing Eosphorite 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 Eosphorite and Oligoclase chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Eosphorite and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.