Pearl and Allanite Physical Properties

Pearl

Allanite

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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

2.60-2.853.40-4.20

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

2.5-4.5Not Available

2 10

1.8 Chemical Composition

Not Available

Pearl and Allanite Chemical Formula

While comparing Pearl and Allanite 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 Allanite chemical formula.

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Pearl Vs Prase Opal

Pearl and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Allanite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 3.40-4.20 whereas that of Allanite is 3.40-4.20.