Pearl and Jet Physical Properties

Pearl

Jet

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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

1.19-1.35

1.5 Fracture

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

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

none

Not Available

1.7 Mohs Hardness

2.5-4.5

2.5-4

1.8 Chemical Composition

Not Available

Pearl and Jet Chemical Formula

While comparing Pearl and Jet 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 Jet chemical formula.

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Pearl Vs Prase

Pearl Vs Prase Opal

Pearl Vs Precious Opal

Pearl and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Jet Optical Properties during the identification of gemstone. Specific gravity of Pearl is 1.19-1.35 whereas that of Jet is 1.19-1.35.

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Phosphosiderite

Pleonaste

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Prase

Prase Opal