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Zincite
Zincite

Actinolite
Actinolite



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Zincite
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Actinolite

Zincite and Actinolite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Resinous
Vitreous
1.2 Pleochroism
Very weak
moderate
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.013-2.0291.613-1.628
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.0160.0250-0.0270
Achroite
0 0.296
1.9 Clarity
TransparentRobert C. Kammerling
TransparentUlrich Henn and Claudio C. Milisenda

Zincite and Actinolite Optic Character

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

Zincite and Actinolite Transparency

Similar to their colors, Zincite 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, Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling while Zincite is The Journal of Gemmology (1995) More from other references and TransparentRobert C. Kammerling in appearance.