Pearl and Sunstone Physical Properties

Pearl

Sunstone

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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

2.60-2.852.62-2.65

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Gemstones of the world (2001)

1.6 Cleavage

none

001

1.7 Mohs Hardness

2.5-4.56

2 10

1.8 Chemical Composition

Not Available

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Pearl and Sunstone Chemical Formula

While comparing Pearl and Sunstone 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 Pearl and Sunstone chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Compare Blue Gemstones

Pearl Vs Precious Opal

Pearl Vs Prase Opal

Pearl Vs Prase

Pearl and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.