×

Anhydrite
Anhydrite

Pectolite
Pectolite



ADD
Compare
X
Anhydrite
X
Pectolite

Anhydrite and Pectolite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Silky
1.2 Pleochroism
For violet varieties
NilArthur Thomas
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.570-1.6141.595-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.042-0.0440.028-0.038
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Anhydrite and Pectolite Optic Character

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

Anhydrite and Pectolite Transparency

Similar to their colors, Anhydrite and Pectolite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.