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Heliodor
Heliodor

Colemanite
Colemanite



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Heliodor
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Colemanite

Heliodor and Colemanite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent
1.5 Refractive Index
Not Available1.584-1.615
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
Not Available0.028-0.030
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Heliodor and Colemanite Optic Character

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

Similar to their colors, Heliodor and Colemanite 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.