×

Poldervaartite
Poldervaartite

Anhydrite
Anhydrite



ADD
Compare
X
Poldervaartite
X
Anhydrite

Poldervaartite and Anhydrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Pearly, Greasy
1.2 Pleochroism
Weak: colorless light gray bluish grayAnthony et al
For violet varieties
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.634-1.6561.570-1.614
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.042-0.044
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Poldervaartite and Anhydrite Optic Character

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

Similar to their colors, Poldervaartite and Anhydrite 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.