Gedrite and Jacobsite Physical Properties

Gedrite

Jacobsite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2594.76-5.03

1 7.18

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Fracture

Conchoidal

Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

None

Mohs Hardness

5.5-65.5-6.5

2 10

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Chemical Composition

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Gedrite and Jacobsite Chemical Formula

While comparing Gedrite 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 Gedrite and Jacobsite chemical formula.

Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

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Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Jacobsite Specific Gravity

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