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Lawsonite
Lawsonite

Hematite
Hematite



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Lawsonite
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Hematite

Lawsonite and Hematite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

Weak
O = brownish red; E = yellowish red

Dispersion

0.010.05
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.672-1.6762.690-3.220
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.019-0.0210.280
0 0.296
👆🏻

Clarity

-
OpaqueHerve Nicolas Lazzarelli

Lawsonite and Hematite Optic Character

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

Lawsonite and Hematite Transparency

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