Amazonite and Jacobsite Physical Properties

Amazonite

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

2.55-2.574.76-5.03

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Conchoidal, Brittle

1.6 Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

None

1.7 Mohs Hardness

6-6.55.5-6.5

2 10

1.8 Chemical Composition

KAlSi₃O₈

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

Amazonite and Jacobsite Chemical Formula

While comparing Amazonite 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 Amazonite and Jacobsite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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Amazonite and Jacobsite Specific Gravity

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