×

Faustite
Faustite

Amblygonite
Amblygonite



ADD
Compare
X
Faustite
X
Amblygonite

Faustite and Amblygonite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous, Pearly
1.3 Pleochroism
Not Available
weak to none
1.6 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
2.8 Transparency
Translucent
Gemmological Tables (2004) More from other references
2.9 Refractive Index
1.6121.578-1.646
Agate Opal
1 3.25
3.4 Optic Character
Not Available
Biaxial/+
3.5 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Triclinic
3.6 Birefringence
Not Available0.020-0.030
Achroite
0 0.296
3.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Faustite and Amblygonite Optic Character

Faustite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Faustite and Amblygonite 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 Faustite and Amblygonite 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. Amblygonite has Biaxial/+ character.

Faustite and Amblygonite Transparency

Similar to their colors, Faustite and Amblygonite 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, Faustite is Translucent while Faustite is Translucent in appearance.