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Pyrope Almandine
Pyrope Almandine

Hematite
Hematite



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Pyrope Almandine
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Hematite

Pyrope Almandine and Hematite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
O = brownish red; E = yellowish red
1.3 Dispersion
Albite Optical ..
0.02
Rank: 16 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
TransparentGemdat.org, Management Team (2012)
OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
1.5 Refractive Index
1.73-1.77
2.690-3.220
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available
0.280
1.9 Clarity
TransparentGemdat.org
OpaqueHerve Nicolas Lazzarelli

Pyrope Almandine and Hematite Optic Character

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

Pyrope Almandine and Hematite Transparency

Similar to their colors, Pyrope Almandine 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, Pyrope Almandine is Management Team (2012) and TransparentGemdat.org while Pyrope Almandine is Management Team (2012) and TransparentGemdat.org in appearance.

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