Pearl and Shigaite Physical Properties

Pearl

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.852.32

1 7.18

1.5 Fracture

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

Flexible Flexible fragments.

1.6 Cleavage

none

Perfect on {0001}

1.7 Mohs Hardness

2.5-4.52

2 10

1.8 Chemical Composition

Not Available

Pearl and Shigaite Chemical Formula

While comparing Pearl and Shigaite 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 Shigaite chemical formula.

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Pearl and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.32 whereas that of Shigaite is 2.32.