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Helenite
Helenite

Anatase
Anatase



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Helenite
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Anatase

Helenite and Anatase Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NA0.21
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available2.488-2.562
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available0.073
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Helenite and Anatase Optic Character

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

Helenite and Anatase Transparency

Similar to their colors, Helenite and Anatase 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, Helenite is Not Available while Helenite is Not Available in appearance.