Apophyllite and Gedrite Physical Properties

Apophyllite

Gedrite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.30-2.50

Uneven

Perfect on (001)

4.5-5

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

3.15-3.259

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

5.5-6

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Apophyllite and Gedrite Chemical Formula

While comparing Apophyllite and Gedrite 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 Apophyllite and Gedrite chemical formula.

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Apophyllite and Gedrite Specific Gravity

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