Gedrite and Malachite Physical Properties

Gedrite

Malachite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.2593.25-4.10

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

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

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

5.5-63.5-4

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)

Cu₂CO₃(OH)₂

Gedrite and Malachite Chemical Formula

While comparing Gedrite and Malachite 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 Malachite 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 Malachite- Cu₂CO₃(OH)₂

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Gedrite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gedrite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.