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Adularia
Adularia

Hematite
Hematite



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Adularia
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Hematite

Adularia and Hematite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
TransparentArthur Thomas
1.518-1.536
-
-
0.005-0.008
TransparentArthur Thomas
 
-
O = brownish red; E = yellowish red
0.05
OpaqueHerve Nicolas Lazzarelli
2.690-3.220
-
Trigonal
0.280
OpaqueHerve Nicolas Lazzarelli

Adularia and Hematite Optic Character

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

Adularia and Hematite Transparency

Similar to their colors, Adularia and Hematite 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, Adularia is while Adularia is in appearance.