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Fire Opal
Fire Opal

Moonstone
Moonstone



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Fire Opal
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Moonstone

Fire Opal and Moonstone Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Pearly
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Transparent to translucent
1.5 Refractive Index
1.370-1.4701.518-1.527
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Amorphous
monoclinic
1.8 Birefringence
Not Available0.006-0.007
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fire Opal and Moonstone Optic Character

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

Fire Opal and Moonstone Transparency

Similar to their colors, Fire Opal and Moonstone 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, Fire Opal is Translucent and Transparent while Fire Opal is Translucent and Transparent in appearance.