Bowenite and Danburite Optical Properties

Bowenite

Danburite

Add ⊕

1 Optical Properties

1.1 Luster

Waxy, Silky, Resinous, Greasy

Vitreous, Greasy

1.2 Pleochroism

Not Available

Weak: pale yellow yellow

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.530-1.5751.627-1.639

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

Not Available0.006

0 0.296

1.9 Clarity

TranslucentHerve Nicolas Lazzarelli

TransparentUlrich Henn and Claudio C. Milisenda

Bowenite and Danburite Optic Character

Bowenite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Bowenite and Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

Compare Green Gemstones

Bowenite Vs Ceylonite

Bowenite Vs Chalcopyrite

Bowenite Vs Chlorapatite

Bowenite and Danburite Transparency

Similar to their colors, Bowenite and Danburite 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.