Watermelon Tourmaline and Erythrite Optical Properties

Watermelon Tourmaline

Erythrite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

Subadamantine, Pearly

1.2 Pleochroism

Not Available

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

TransparentGemdat.org, Management Team (2012)

Not Available

1.5 Refractive Index

1.614-1.6661.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.014-0.040Not Available

0 0.296

1.9 Clarity

TransparentGemdat.org

Not Available

Watermelon Tourmaline and Erythrite Optic Character

Watermelon Tourmaline and Erythrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Watermelon Tourmaline and Erythrite 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 Watermelon Tourmaline and Erythrite 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 Blue Gemstones

Watermelon Tourmaline Vs Iolite

Watermelon Tourmaline Vs Garnet Malaia

Watermelon Tourmaline Vs Idocrase

Watermelon Tourmaline and Erythrite Transparency

Similar to their colors, Watermelon Tourmaline and Erythrite 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, Watermelon Tourmaline is Management Team (2012) and TransparentGemdat.org while Watermelon Tourmaline is Management Team (2012) and TransparentGemdat.org in appearance.