Norbergite and Plumbogummite Physical Properties

Norbergite

Plumbogummite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.1774.014

1 7.18

1.5 Fracture

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

Uneven, Conchoidal

1.6 Cleavage

{???} Distinct

None

1.7 Mohs Hardness

6-6.54-5

2 10

1.8 Chemical Composition

Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

Not Available

Norbergite and Plumbogummite Chemical Formula

While comparing Norbergite and Plumbogummite 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 Norbergite and Plumbogummite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)

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Norbergite and Plumbogummite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 4.014 whereas that of Plumbogummite is 4.014.