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Clinothulite and Apatite Optical Properties


Apatite and Clinothulite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Blue stones – strong   

Dispersion
Not Available   
0.01   
27

Transparency
Not Available   
Gemmological Tables (2004) More from other references   

Refractive Index
Not Available   
1.628-1.651   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
Not Available   
0.002-0.008   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Clinothulite and Apatite Optic Character

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

Similar to their colors, Clinothulite and Apatite 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, Clinothulite is Not Available while Clinothulite is Not Available in appearance.

Blue Gemstones

Blue Gemstones


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