Agate Opal and Gedrite Physical Properties

Agate Opal

Gedrite

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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

1.98-2.503.15-3.259

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5.5-6.55.5-6

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Agate Opal and Gedrite Chemical Formula

While comparing Agate Opal and Gedrite 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 Agate Opal and Gedrite chemical formula.

Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Agate Opal and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate Opal and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.