Crystal Quartz and Holmquistite Optical Properties
Luster
Not Available
Vitreous
Pleochroism
Not Available
Strong in shades of violet when dark-colored.Anthony et al
Dispersion
Not Available
Not Available
Transparency
Not Available
Transparent
Refractive Index
Not Available
1.622-1.666
Optic Character
Not Available
Not Available
Crystal System
Trigonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
Not Available
Not Available
Clarity
Not Available
Transparent
Crystal Quartz and Holmquistite Optic Character
Crystal Quartz and Holmquistite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Crystal Quartz and Holmquistite 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 Holmquistite 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 Holmquistite Transparency
Similar to their colors, Crystal Quartz and Holmquistite 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.