Home
Gemstones


Boulder Opal and Calcite Satin Spar Optical Properties


Calcite Satin Spar and Boulder Opal Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Transparent, Translucent   
Transparent, Translucent   

Refractive Index
1.370-1.470   
1.486-1.658   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.172   

Clarity
Transparent   
Transparent   

Benefits >>
<< Physical Properties

Boulder Opal and Calcite Satin Spar Optic Character

Boulder Opal and Calcite Satin Spar optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Boulder Opal and Calcite Satin Spar 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 Calcite Satin Spar 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 and Calcite Satin Spar Transparency

Similar to their colors, Boulder Opal and Calcite Satin Spar 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.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones