Gedrite and Prasiolite Physical Properties

Gedrite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.2592.65

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

5.5-67

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)

SiO 2Ulrich Henn and Claudio C.

Gedrite and Prasiolite Chemical Formula

While comparing Gedrite and Prasiolite 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 Prasiolite 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 Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Gedrite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.65 whereas that of Prasiolite is 2.65.