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Thaumasite
Thaumasite

Chlorapatite
Chlorapatite



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Thaumasite
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Chlorapatite

Thaumasite and Chlorapatite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Not Available
1.2 Pleochroism
Not Available
Weak to moderate; in pale colors.Anthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.467-1.5051.665-1.667
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.038Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Thaumasite and Chlorapatite Optic Character

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

Similar to their colors, Thaumasite and Chlorapatite 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.