Gedrite and Marialite Physical Properties

Gedrite

Marialite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.15-3.2592.50

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

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

Distinct on {100} and {110}

Mohs Hardness

5.5-65.5-6

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)

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Gedrite and Marialite Chemical Formula

While comparing Gedrite and Marialite 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 Marialite 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 Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

Gedrite Vs Magnetite

Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.50 whereas that of Marialite is 2.50.