Norbergite and Montebrasite Physical Properties

Norbergite

Montebrasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.177

Uneven, Conchoidal

{???} Distinct

6-6.5

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

2.98-3.10

Uneven, Conchoidal

{100} Perfect, {110} Good, {011} Distinct

5.5-6

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Norbergite and Montebrasite Chemical Formula

While comparing Norbergite and Montebrasite 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 Montebrasite chemical formula.

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Norbergite and Montebrasite Specific Gravity

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