Humite and Magnesite Physical Properties

Humite

Magnesite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Effervesces in hot HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.32

2.92-3.12

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Poor

[10 1 1] perfect

1.7 Mohs Hardness

6-6.5

3.5-4.5

1.8 Chemical Composition

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Humite and Magnesite Chemical Formula

While comparing Humite and Magnesite 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 Humite and Magnesite chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Humite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Humite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Humite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.