Jacobsite and Aegirine Physical Properties

Jacobsite

Aegirine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.76-5.033.50-3.60

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}

1.7 Mohs Hardness

5.5-6.56

2 10

1.8 Chemical Composition

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

(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Jacobsite and Aegirine Chemical Formula

While comparing Jacobsite and Aegirine 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 Aegirine chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Aegirine- (Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.

Compare Brown Gemstones

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Jacobsite and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.