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Tugtupite and Actinolite Optical Properties


Actinolite and Tugtupite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
ModerateArthur Thomas   
moderate   

Dispersion
Not Available   
Not Available   

Transparency
OpaqueHerve Nicolas Lazzarelli   
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references   

Refractive Index
1.494-1.504   
1.613-1.628   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
monoclinic   

Birefringence
0.008   
0.0250-0.0270   

Clarity
OpaqueHerve Nicolas Lazzarelli   
TransparentUlrich Henn and Claudio C. Milisenda   

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Tugtupite and Actinolite Optic Character

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

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Tugtupite and Actinolite Transparency

Similar to their colors, Tugtupite 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.

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Red Gemstones


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