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Plumbogummite
Plumbogummite

Hematite
Hematite



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Plumbogummite
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Hematite

Plumbogummite and Hematite Optical Properties

Optical Properties

Luster

Resinous
-

Pleochroism

None
O = brownish red; E = yellowish red

Dispersion

0.040.05
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.653-1.6882.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.280
0 0.296
👆🏻

Clarity

-
OpaqueHerve Nicolas Lazzarelli

Plumbogummite and Hematite Optic Character

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

Plumbogummite and Hematite Transparency

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