Norbergite and Star Sapphire Physical Properties

Norbergite

Star Sapphire

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1773.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{???} Distinct

Not Available

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 2O 3Ulrich Henn and Claudio C.

Norbergite and Star Sapphire Chemical Formula

While comparing Norbergite and Star Sapphire 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 Star Sapphire chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Yellow Gemstones

Norbergite Vs Powellite

Norbergite Vs Precious Opal

Norbergite Vs Prase Opal

Norbergite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.