Fluorite and Humite Physical Properties

Fluorite

Humite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.20-3.32

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

Poor

1.7 Mohs Hardness

46-6.5

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Humite Chemical Formula

While comparing Fluorite and Humite 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 Fluorite and Humite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

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Fluorite and Humite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorite and Humite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Humite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.20-3.32 whereas that of Humite is 3.20-3.32.