Bowenite and Covellite Optical Properties

Bowenite

Covellite

Add ⊕

1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Resinous

1.2 Pleochroism

Not Available

Marked

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

1.5 Refractive Index

1.530-1.5751.45-2.62

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

OpaqueAnthony et al

Bowenite and Covellite Optic Character

Bowenite and Covellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Bowenite and Covellite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Bowenite and Covellite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Compare Green Gemstones

Bowenite Vs Chalcopyrite

Bowenite Vs Chlorapatite

Bowenite Vs Ceylonite

Bowenite and Covellite Transparency

Similar to their colors, Bowenite and Covellite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli while Bowenite is Blue Chart Gem Identification (2010) and TranslucentHerve Nicolas Lazzarelli in appearance.