Gedrite and Sanidine Physical Properties

Gedrite

Sanidine

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2592.54-2.61

1 7.18

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Fracture

Uneven

Cleavage

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

{001} Perfect, {010} Good

Mohs Hardness

5.5-66

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)

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Gedrite and Sanidine Chemical Formula

While comparing Gedrite and Sanidine 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 Sanidine 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 Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Gedrite and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.