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Almandine Garnet
Almandine Garnet

Dioptase
Dioptase



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Almandine Garnet
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Dioptase

Almandine Garnet and Dioptase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
Weak; dark emerald green
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
TranslucentHerve Nicolas Lazzarelli
1.5 Refractive Index
1.780-1.8101.644-1.720
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Trigonal
1.8 Birefringence
Not Available0.051-0.053
Achroite
0 0.296
1.9 Clarity
Transparent to translucent
TranslucentHerve Nicolas Lazzarelli

Almandine Garnet and Dioptase Optic Character

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

Almandine Garnet and Dioptase Transparency

Similar to their colors, Almandine Garnet 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, Almandine Garnet is Translucent, Transparent and Transparent to translucent while Almandine Garnet is Translucent, Transparent and Transparent to translucent in appearance.