Pearl and Kornerupine Physical Properties

Pearl

Kornerupine

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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

2.60-2.853.25-3.45

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

none

Good on {110}

1.7 Mohs Hardness

2.5-4.56.5

2 10

1.8 Chemical Composition

Not Available

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Pearl and Kornerupine Chemical Formula

While comparing Pearl and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

Pearl Vs Prase

Pearl Vs Precious Opal

Pearl Vs Prase Opal

Pearl and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Pearl is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.