Diamond and Bertrandite Optical Properties

Diamond

Bertrandite

Add ⊕

1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

None

none.

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

TransparentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

2.417-2.4191.583-1.614

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

1.8 Birefringence

Not AvailableNot Available

0 0.296

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.

Compare Birthstones » More

Diamond Vs Sapphire

Diamond Vs Ruby

Diamond Vs Coral

» More

More Compare Birthstones

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.