Gedrite and Opal Australia Physical Properties

Gedrite

Opal Australia

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.259-9999

1 7.18

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Fracture

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)

SiO2*nH2O

Gedrite and Opal Australia Chemical Formula

While comparing Gedrite and Opal Australia 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 Opal Australia 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 Opal Australia- SiO2*nH2O

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Gedrite and Opal Australia Specific Gravity

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