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Thaumasite
Thaumasite

Verdelite
Verdelite



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Thaumasite
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Verdelite

Thaumasite and Verdelite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Not Available
1.2 Pleochroism
Not Available
Strong: dark green yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent
1.5 Refractive Index
1.467-1.505
1.614-1.666
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.038
0.014-0.040
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Thaumasite and Verdelite Optic Character

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

Thaumasite and Verdelite Transparency

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