Gedrite and Apophyllite Physical Properties

Gedrite

Apophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.15-3.2592.30-2.50

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.

Perfect on (001)

Mohs Hardness

5.5-64.5-5

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)

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Gedrite and Apophyllite Chemical Formula

While comparing Gedrite and Apophyllite 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 Apophyllite 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 Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Brown Gemstones

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Gedrite Vs Manganaxinite

Gedrite Vs Mellite

Gedrite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.