Pumpellyite and Euclase Optical Properties

Pumpellyite

Euclase

Add ⊕

1 Optical Properties

1.1 Luster

Fibrous

Vitreous

1.2 Pleochroism

Not Available

Weak: colorless-(greenish) yellow

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.674-1.7641.650-1.677

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.014-0.0160.019-0.025

0 0.296

1.9 Clarity

OpaqueUlrich Henn and Claudio C. Milisenda

TransparentUlrich Henn and Claudio C. Milisenda

Pumpellyite and Euclase Optic Character

Pumpellyite and Euclase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pumpellyite and Euclase 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 Pumpellyite and Euclase 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 Green Gemstones

Pumpellyite Vs Rubellite

Pumpellyite Vs Rutilated Quartz

Pumpellyite Vs Sapphire

Pumpellyite and Euclase Transparency

Similar to their colors, Pumpellyite and Euclase 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, Pumpellyite is Gemmological Tables (2004) while Pumpellyite is Gemmological Tables (2004) in appearance.