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Gaylussite
Gaylussite

Hematite
Hematite



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Gaylussite and Hematite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Not Available
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
Not Available
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.444
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.079
0.280
1.9 Clarity
Not Available
OpaqueHerve Nicolas Lazzarelli

Gaylussite and Hematite Optic Character

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

Gaylussite and Hematite Transparency

Similar to their colors, Gaylussite 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, Gaylussite is Not Available while Gaylussite is Not Available in appearance.