Angelite and Norbergite Physical Properties

Angelite

Norbergite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.177

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{???} Distinct

1.7 Mohs Hardness

3.56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Angelite and Norbergite Chemical Formula

While comparing Angelite and Norbergite 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 Angelite and Norbergite chemical formula.

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

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Angelite and Norbergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Angelite and Norbergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Angelite and Norbergite Optical Properties during the identification of gemstone. Specific gravity of Angelite is 3.177 whereas that of Norbergite is 3.177.