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Milk Opal
Milk Opal

Pyrite
Pyrite



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Milk Opal
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Pyrite

Milk Opal and Pyrite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.5 Transparency
Translucent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.6 Refractive Index
1.37-1.52Not Available
Agate Opal
1 3.25
1.7 Optic Character
Not Available
Not Available
1.8 Crystal System
Not Available
Isometric
1.9 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.10 Clarity
Not Available
OpaqueHerve Nicolas Lazzarelli

Milk Opal and Pyrite Optic Character

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

Milk Opal and Pyrite Transparency

Similar to their colors, Milk Opal and Pyrite 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, Milk Opal is Translucent while Milk Opal is Translucent in appearance.