×

Barite
Barite

Actinolite
Actinolite



ADD
Compare
X
Barite
X
Actinolite

Barite and Actinolite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
colorless.
moderate
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
1.5 Refractive Index
Not Available1.613-1.628
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
Not Available0.0250-0.0270
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Barite and Actinolite Optic Character

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

Barite and Actinolite Transparency

Similar to their colors, Barite and Actinolite 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, Barite is Not Available while Barite is Not Available in appearance.