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Erythrite
Erythrite

Aragonite
Aragonite



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Erythrite
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Aragonite

Erythrite and Aragonite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Pearly
Vitreous, Resinous
1.2 Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
StrongArthur Thomas
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.626-1.629
1.525-1.686
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
Not Available
0.155
1.9 Clarity
Not Available
Transparent

Erythrite and Aragonite Optic Character

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

Erythrite and Aragonite Transparency

Similar to their colors, Erythrite and Aragonite 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, Erythrite is Not Available while Erythrite is Not Available in appearance.