×

Topaz
Topaz

Anorthoclase
Anorthoclase



ADD
Compare
X
Topaz
X
Anorthoclase

Topaz and Anorthoclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Weak
WeakMichael O’Donoghue
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.606-1.6441.518-1.534
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
0.008-0.0110.006-0.008
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Topaz and Anorthoclase Optic Character

Topaz and Anorthoclase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Topaz and Anorthoclase 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 Topaz and Anorthoclase 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.

Topaz and Anorthoclase Transparency

Similar to their colors, Topaz and Anorthoclase 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, Topaz is Transparent while Topaz is Transparent in appearance.