Pearl and Jacobsite Physical Properties

Pearl

Jacobsite

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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

2.60-2.854.76-5.03

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

none

None

1.7 Mohs Hardness

2.5-4.55.5-6.5

2 10

1.8 Chemical Composition

Not Available

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Pearl and Jacobsite Chemical Formula

While comparing Pearl and Jacobsite 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 Jacobsite chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Pearl Vs Prase Opal

Pearl and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.