Agate and Gahnospinel Physical Properties

Agate

Gahnospinel

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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

2.60-2.64

3.65-4.55

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

None, but may exhibit slight parting

1.7 Mohs Hardness

6.5-7

7.5-8

1.8 Chemical Composition

SiO₂

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Agate and Gahnospinel Chemical Formula

While comparing Agate and Gahnospinel 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 and Gahnospinel chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Agate and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Agate is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.