Norbergite and Grandidierite Physical Properties

Norbergite

Grandidierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1772.85-3.00

1 7.18

1.5 Fracture

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

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

{???} Distinct

Perfect

1.7 Mohs Hardness

6-6.57.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Norbergite and Grandidierite Chemical Formula

While comparing Norbergite and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Norbergite- Mg 3(SiO 4)(F,OH) 2Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Yellow Gemstones

Norbergite Vs Powellite

Norbergite Vs Prase Opal

Norbergite Vs Precious Opal

Norbergite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Norbergite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Norbergite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Norbergite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.