Norbergite and Pyrophyllite Physical Properties

Norbergite

Pyrophyllite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1772.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{???} Distinct

{001} Perfect

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Norbergite and Pyrophyllite Chemical Formula

While comparing Norbergite and Pyrophyllite 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 Pyrophyllite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Yellow Gemstones

Norbergite Vs Powellite

Norbergite Vs Prase Opal

Norbergite Vs Precious Opal

Norbergite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.