Pearl and Humite Physical Properties

Pearl

Humite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.853.20-3.32

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

none

Poor

1.7 Mohs Hardness

2.5-4.56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Pearl and Humite Chemical Formula

While comparing Pearl 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 Pearl 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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Pearl and Humite Specific Gravity

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