Pearl and Chrysoprase Physical Properties

Pearl

Chrysoprase

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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

2.60-2.85

2.58-2.64

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

none

None

1.7 Mohs Hardness

2.5-4.5

6.5-7

1.8 Chemical Composition

Not Available

SiO₂ (with a high level of nickel impurities )

Pearl and Chrysoprase Chemical Formula

While comparing Pearl and Chrysoprase 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 Chrysoprase chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

Compare Blue Gemstones

Pearl Vs Prase

Pearl Vs Precious Opal

Pearl Vs Prase Opal

Pearl and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.