Rosasite and Nickeline Optical Properties

Rosasite

Nickeline

Add ⊕

1 Optical Properties

1.1 Luster

Silky, Vitreous

Not Available

1.2 Pleochroism

Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue

Strong (reflected light)

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.672-1.688Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Hexagonal

1.8 Birefringence

0.139-0.143Not Available

0 0.296

1.9 Clarity

Not Available

Rosasite and Nickeline Optic Character

Rosasite and Nickeline optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Rosasite and Nickeline 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 Rosasite and Nickeline 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

Rosasite Vs Adamite

Rosasite Vs Amber

Rosasite Vs Lehsunia

Rosasite and Nickeline Transparency

Similar to their colors, Rosasite and Nickeline 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, Rosasite is Not Available while Rosasite is Not Available in appearance.