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Grossular
Grossular
☒

Fire Agate
Fire Agate
☒



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Grossular
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Fire Agate

Grossular and Fire Agate Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
None
0.02
-
1.730-1.760
-
cubic
0.020
TransparentUlrich Henn and Claudio C. Milisenda
 
Waxy, Vitreous, Greasy, Silky
-
0.01
Translucent
1.530-1.543
-
Trigonal
0.003-0.009
Translucent

Grossular and Fire Agate Optic Character

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

Grossular and Fire Agate Transparency

Similar to their colors, Grossular 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, Grossular is while Grossular is in appearance.