×

Faustite
Faustite

Holmquistite
Holmquistite



ADD
Compare
X
Faustite
X
Holmquistite

Faustite and Holmquistite Optical Properties

1 Optical Properties
1.1 Luster
Waxy
Vitreous
1.2 Pleochroism
Not Available
Strong in shades of violet when dark-colored.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.6121.622-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Faustite and Holmquistite Optic Character

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

Faustite and Holmquistite Transparency

Similar to their colors, Faustite and Holmquistite 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.