Glaucophane and Erythrite Optical Properties

Glaucophane

Erythrite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Subadamantine, Pearly

1.2 Pleochroism

Strong

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Not Available

1.5 Refractive Index

1.606-1.6371.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Not Available

Glaucophane and Erythrite Optic Character

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

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Glaucophane and Erythrite Transparency

Similar to their colors, Glaucophane and Erythrite 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, Glaucophane is Not Available while Glaucophane is Not Available in appearance.