Gedrite and Celestine Physical Properties

Gedrite

Celestine

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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

3.90-4.00

1.5 Fracture

Not Available

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

5.5-6

3-3.5

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Gedrite and Celestine Chemical Formula

While comparing Gedrite and Celestine 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 Celestine 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 Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Gedrite Vs Hibonite

Gedrite Vs Hessonite

Gedrite Vs Jacobsite

Gedrite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.

Brown Gemstones

Glass

Goethite

Goldstone

Grossular

Hessonite

Hibonite