Gedrite and Starlite Physical Properties

Gedrite

Starlite

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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

3.15-3.2593.91-4.73

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

5.5-66.5-7.5

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)

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Gedrite and Starlite Chemical Formula

While comparing Gedrite and Starlite 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 Starlite 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 Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Gedrite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.