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Heliodor
Heliodor

Mottramite
Mottramite



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Heliodor
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Mottramite

Heliodor and Mottramite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Greasy
1.2 Pleochroism
Not Available
Visible X=Y= canary yellow to greenish yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
Not Available2.170
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.150
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Heliodor and Mottramite Optic Character

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

Heliodor and Mottramite Transparency

Similar to their colors, Heliodor and Mottramite 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, Heliodor is Not Available while Heliodor is Not Available in appearance.