Humite and Chrome Tourmaline Physical Properties

Humite

Chrome Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.322.85-3.35

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Poor

3,2

1.7 Mohs Hardness

6-6.57-7.5

2 10

1.8 Chemical Composition

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

Tourmaline is a series of several different minerals with unique chemical formulas.

Humite and Chrome Tourmaline Chemical Formula

While comparing Humite and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

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Humite and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Humite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Humite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.