Humite and Prasiolite Physical Properties

Humite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.322.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Poor

3,1

1.7 Mohs Hardness

6-6.57

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Humite and Prasiolite Chemical Formula

While comparing Humite 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 Humite and Prasiolite chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Humite and Prasiolite Specific Gravity

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