Home
×

Holmquistite
Holmquistite

Ammolite
Ammolite



ADD
Compare
X
Holmquistite
X
Ammolite

Holmquistite and Ammolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Silky, Vitreous
1.2 Pleochroism
Strong in shades of violet when dark-colored.Anthony et al
None
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Not Available
1.5 Refractive Index
1.622-1.666
1.520-1.670
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
1.8 Birefringence
Not Available
0.135-0.145
1.9 Clarity
Transparent
Not Available

Holmquistite and Ammolite Optic Character

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

Holmquistite and Ammolite Transparency

Similar to their colors, Holmquistite and Ammolite 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, Holmquistite is Transparent while Holmquistite is Transparent in appearance.

Let Others Know
×