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Howlite
Howlite

Pyrope Almandine
Pyrope Almandine



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Howlite and Pyrope Almandine Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 16 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
TransparentGemdat.org, Management Team (2012)
1.5 Refractive Index
1.583-1.608
1.73-1.77
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.019
Not Available
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentGemdat.org

Howlite and Pyrope Almandine Optic Character

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

Howlite and Pyrope Almandine Transparency

Similar to their colors, Howlite and Pyrope Almandine 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, Howlite is Gemmological Tables (2004) More from other references while Howlite is Gemmological Tables (2004) More from other references in appearance.