Rosasite and Humite Physical Properties

Rosasite

Humite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.23.20-3.32

1 7.18

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

Poor

1.7 Mohs Hardness

46-6.5

2 10

1.8 Chemical Composition

Not Available

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

Rosasite and Humite Chemical Formula

While comparing Rosasite 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 Rosasite and Humite chemical formula.

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

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Rosasite and Humite Specific Gravity

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