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Idocrase
Idocrase

Dioptase
Dioptase



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Idocrase
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Dioptase

Idocrase and Dioptase Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Weak; dark emerald green
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.67-1.761.644-1.720
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Trigonal
1.8 Birefringence
Not Available0.051-0.053
Achroite
0 0.296
1.9 Clarity
Color grading system
TranslucentHerve Nicolas Lazzarelli

Idocrase and Dioptase Optic Character

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

Idocrase and Dioptase Transparency

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