×

Prehnite
Prehnite

Hureaulite
Hureaulite



ADD
Compare
X
Prehnite
X
Hureaulite

Prehnite and Hureaulite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
AbsentWalter Schumann
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.611-1.6731.647-1.667
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
1.8 Birefringence
0.021-0.0330.012
Achroite
0 0.296
1.9 Clarity
TranslucentHerve Nicolas Lazzarelli
Transparent

Prehnite and Hureaulite Optic Character

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

Prehnite and Hureaulite Transparency

Similar to their colors, Prehnite and Hureaulite 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, Prehnite is Translucent while Prehnite is Translucent in appearance.