Gedrite and Liddicoatite Physical Properties

Gedrite

Liddicoatite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2593.02

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

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

{0001} Poor

Mohs Hardness

5.5-6-9999

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)

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Gedrite and Liddicoatite Chemical Formula

While comparing Gedrite and Liddicoatite 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 Liddicoatite 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 Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Compare Brown Gemstones

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Gedrite and Liddicoatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.02 whereas that of Liddicoatite is 3.02.