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Diamond
Diamond

Bertrandite
Bertrandite



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Diamond and Bertrandite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous
1.2 Pleochroism
None
none.
1.3 Dispersion
Albite Optical ..
0.04
Rank: 10 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
TransparentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
2.417-2.419
1.583-1.614
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21
1.8 Birefringence
Not Available
Not Available
1.9 Clarity
Transparent
TransparentAnthony et al

Diamond and Bertrandite Optic Character

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

Diamond and Bertrandite Transparency

Similar to their colors, Diamond and Bertrandite 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, Diamond is Translucent, Transparent and Transparent to opaque while Diamond is Translucent, Transparent and Transparent to opaque in appearance.