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Gypsum
Gypsum

Fire Agate
Fire Agate



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Gypsum
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Fire Agate

Gypsum and Fire Agate Optical Properties

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Optical Properties

Luster

Vitreous, Silky, Pearly, Waxy
Waxy, Vitreous, Greasy, Silky

Pleochroism

None
-

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent
Translucent

Refractive Index

1.521-1.5311.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.0100.003-0.009
0 0.296
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Clarity

Transparent
Translucent

Gypsum and Fire Agate Optic Character

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

Gypsum and Fire Agate Transparency

Similar to their colors, Gypsum and Fire Agate 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, Gypsum is Transparent and Translucent while Gypsum is Transparent and Translucent in appearance.