Boulder Opal and Bowenite Optical Properties

Boulder Opal

Bowenite

Add ⊕

1 Optical Properties

1.1 Luster

Not Available

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Transparent, Translucent

TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)

1.5 Refractive Index

1.370-1.4701.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Boulder Opal and Bowenite Optic Character

Boulder Opal and Bowenite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Boulder Opal and Bowenite 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 Boulder Opal and Bowenite 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 Blue Gemstones

Boulder Opal Vs Chrysocolla

Boulder Opal Vs Chrome Tourmaline

Boulder Opal Vs Chrome-Chalcedony

Boulder Opal and Bowenite Transparency

Similar to their colors, Boulder Opal and Bowenite 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, Boulder Opal is Translucent and Transparent while Boulder Opal is Translucent and Transparent in appearance.