Gedrite and Agate Opal Physical Properties

Gedrite

Agate Opal

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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

3.15-3.2591.98-2.50

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

5.5-65.5-6.5

2 10

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

Gedrite and Agate Opal Chemical Formula

While comparing Gedrite and Agate Opal 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 Agate Opal 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 Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Gedrite and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.