Dinosaur Bone and Danburite Optical Properties
Luster
Not Available
Vitreous, Greasy
Pleochroism
Not Available
Weak: pale yellow yellow
Transparency
Not Available
Gemmological Tables (2004) More from other references
Refractive Index
Not Available
1.627-1.639
Optic Character
Not Available
Biaxial/+
Crystal System
Not Available
Orthorhombic
Birefringence
Not Available
0.006
Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda
Dinosaur Bone and Danburite Optic Character
Dinosaur Bone and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Dinosaur Bone and Danburite 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 Dinosaur Bone and Danburite 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. Danburite has Biaxial/+ character.
Dinosaur Bone and Danburite Transparency
Similar to their colors, Dinosaur Bone and Danburite 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, Dinosaur Bone is Not Available while Dinosaur Bone is Not Available in appearance.