Gedrite and Hematite Physical Properties

Gedrite

Hematite

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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

3.15-3.259

5.00-5.30

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

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

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

5.5-6

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Gedrite and Hematite Chemical Formula

While comparing Gedrite and Hematite 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 Hematite 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 Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Brown Gemstones

Gedrite Vs Hessonite

Gedrite Vs Jacobsite

Gedrite Vs Hibonite

Gedrite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.

Brown Gemstones

Glass

Goethite

Goldstone

Grossular

Hessonite

Hibonite