×

Poldervaartite
Poldervaartite

Amethyst
Amethyst



ADD
Compare
X
Poldervaartite
X
Amethyst

Poldervaartite and Amethyst Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
None
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Transparent to translucent
1.5 Refractive Index
1.634-1.6561.544-1.553
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Poldervaartite and Amethyst Optic Character

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

Poldervaartite and Amethyst Transparency

Similar to their colors, Poldervaartite and Amethyst 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.