Gedrite and Chrome-Chalcedony Physical Properties

Gedrite

Chrome-Chalcedony

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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

3.15-3.259

2.55-2.70

1.5 Fracture

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-6

6.5-7

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Gedrite and Chrome-Chalcedony Chemical Formula

While comparing Gedrite and Chrome-Chalcedony 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 Chrome-Chalcedony 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 Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Compare Brown Gemstones

Gedrite Vs Hibonite

Gedrite Vs Hessonite

Gedrite Vs Jacobsite

Gedrite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.

Brown Gemstones

Glass

Goethite

Goldstone

Grossular

Hessonite

Hibonite