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Heliotrope
Heliotrope

Idocrase
Idocrase



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Heliotrope
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Idocrase

Heliotrope and Idocrase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
1.53-1.541.67-1.76
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
tetragonal
1.8 Birefringence
0.004Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Color grading system

Heliotrope and Idocrase Optic Character

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

Heliotrope and Idocrase Transparency

Similar to their colors, Heliotrope and Idocrase 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, Heliotrope is Not Available while Heliotrope is Not Available in appearance.