Jacobsite and Nosean Physical Properties

Jacobsite

Nosean

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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

4.76-5.032.30-2.40

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

None

{110} Perfect

1.7 Mohs Hardness

5.5-6.5Not Available

2 10

1.8 Chemical Composition

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

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Jacobsite and Nosean Chemical Formula

While comparing Jacobsite and Nosean 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 Nosean chemical formula.

Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Brown Gemstones

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Jacobsite and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jacobsite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.