×

Glaucophane
Glaucophane

Phenakite
Phenakite



ADD
Compare
X
Glaucophane
X
Phenakite

Glaucophane and Phenakite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Strong
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.606-1.6371.650-1.695
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
Not Available0.016
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Glaucophane and Phenakite Optic Character

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

Glaucophane and Phenakite Transparency

Similar to their colors, Glaucophane and Phenakite 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.