Beryllonite and Apache Tear Optical Properties

Beryllonite

Apache Tear

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous, Adamantine, Pearly

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Not Available

1.5 Refractive Index

1.552-1.562Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Amorphous

1.8 Birefringence

0.009Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Not Available

Beryllonite and Apache Tear Optic Character

Beryllonite and Apache Tear optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Beryllonite and Apache Tear 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 Beryllonite and Apache Tear 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 Colorless Gems

Beryllonite Vs Bytownite

Beryllonite Vs Cassiterite

Beryllonite Vs Cancrinite

Beryllonite and Apache Tear Transparency

Similar to their colors, Beryllonite and Apache Tear 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, Beryllonite is Gemmological Tables (2004) More from other references while Beryllonite is Gemmological Tables (2004) More from other references in appearance.