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Pyromorphite
Pyromorphite

Hematite
Hematite



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Pyromorphite and Hematite Optical Properties

1 Optical Properties
1.1 Luster
Resinous, Subadamantine
Not Available
1.2 Pleochroism
Weak
O = brownish red; E = yellowish red
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
2.042-2.059
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.010
0.280
1.9 Clarity
Transparent
OpaqueHerve Nicolas Lazzarelli

Pyromorphite and Hematite Optic Character

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

Pyromorphite and Hematite Transparency

Similar to their colors, Pyromorphite 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, Pyromorphite is Transparent while Pyromorphite is Transparent in appearance.