Oligoclase and Phosphosiderite Physical Properties

Oligoclase

Phosphosiderite

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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

2.62-2.67

2.74-2.76

1.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

From the Greek, oligos and kasein, little cleavage.

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

6-6.5

3.5-4

1.8 Chemical Composition

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

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Oligoclase and Phosphosiderite Chemical Formula

While comparing Oligoclase and Phosphosiderite 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 Phosphosiderite 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 Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Colorless Gems

Oligoclase Vs Phosphophyllite

Oligoclase Vs Phenakite

Oligoclase Vs Pezzottaite

Oligoclase and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Oligoclase and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.