Quartz and Brazilianite Optical Properties

Quartz

Brazilianite

Add ⊕

1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

None

Very weakWalter Schumann

1.3 Dispersion

0.010.01

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.544-1.5531.602-1.625

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

monoclinic

1.8 Birefringence

0.0090.019-0.021

0 0.296

1.9 Clarity

Opaque

TransparentUlrich Henn and Claudio C. Milisenda

Quartz and Brazilianite Optic Character

Quartz and Brazilianite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Quartz and Brazilianite 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 Quartz and Brazilianite 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 Gems for Taurus » More

Quartz Vs Bixbite

Quartz Vs Peridot

Quartz Vs Kyanite

» More

More Compare Gems for Taurus

Quartz and Brazilianite Transparency

Similar to their colors, Quartz and Brazilianite 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, Quartz is Translucent, Transparent and Transparent to translucent while Quartz is Translucent, Transparent and Transparent to translucent in appearance.