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Rock Crystal
Rock Crystal

Actinolite
Actinolite



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Rock Crystal
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Actinolite

Rock Crystal and Actinolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
moderate
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.544-1.5531.613-1.628
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.0090.0250-0.0270
Achroite
0 0.296
1.9 Clarity
TransparentWalter Schumann
TransparentUlrich Henn and Claudio C. Milisenda

Rock Crystal and Actinolite Optic Character

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

Rock Crystal and Actinolite Transparency

Similar to their colors, Rock Crystal 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, Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.