Plumbogummite and Humite Physical Properties

Plumbogummite

Humite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

4.014

Uneven, Conchoidal

None

4-5

PbAl3(PO4)(SO4)(OH)6

Brittle

3.20-3.32

Uneven, Conchoidal

Poor

6-6.5

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

Plumbogummite and Humite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Humite chemical formula.

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Plumbogummite and Humite Specific Gravity

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