Hemimorphite and Gedrite Physical Properties

Hemimorphite

Gedrite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

3.30-3.503.15-3.259

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Perfect on {110}, poor on {101}, {001} rare

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

Mohs Hardness

55.5-6

2 10

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Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hemimorphite and Gedrite Chemical Formula

While comparing Hemimorphite 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 Hemimorphite and Gedrite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Hemimorphite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.