Crystal Quartz and Howlite Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Not Available
NilArthur Thomas
Dispersion
Not Available
Not Available
Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
Not Available
1.583-1.608
Optic Character
Not Available
Not Available
Crystal System
Trigonal
monoclinic
Birefringence
Not Available
0.019
Clarity
Not Available
Gemmological Tables (2004) More from other references
Crystal Quartz and Howlite Optic Character
Crystal Quartz and Howlite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Crystal Quartz and Howlite 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 Crystal Quartz and Howlite 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.
Crystal Quartz and Howlite Transparency
Similar to their colors, Crystal Quartz and Howlite 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, Crystal Quartz is Not Available while Crystal Quartz is Not Available in appearance.