Jacobsite and Pearl Physical Properties

Jacobsite

Pearl

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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

4.76-5.032.60-2.85

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

none

1.7 Mohs Hardness

5.5-6.52.5-4.5

2 10

1.8 Chemical Composition

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

Not Available

Jacobsite and Pearl Chemical Formula

While comparing Jacobsite and Pearl 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 Jacobsite and Pearl chemical formula.

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

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Jacobsite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.