Pearl and Agate Physical Properties

Pearl

Agate

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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

2.60-2.64

1.5 Fracture

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

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

1.6 Cleavage

none

Indiscernible

1.7 Mohs Hardness

2.5-4.5

6.5-7

1.8 Chemical Composition

Not Available

SiO₂

Pearl and Agate Chemical Formula

While comparing Pearl and Agate 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 Agate chemical formula.

Chemical formula of Agate- SiO₂

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Pearl Vs Prase

Pearl Vs Precious Opal

Pearl Vs Prase Opal

Pearl and Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Agate Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.60-2.64 whereas that of Agate is 2.60-2.64.