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Ludlamite
Ludlamite

Turquoise
Turquoise



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Ludlamite
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Turquoise

Ludlamite and Turquoise Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Waxy
1.2 Pleochroism
NilArthur Thomas
Weak
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Opaque
1.5 Refractive Index
1.653-1.6931.610-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Triclinic
1.8 Birefringence
0.038-0.0440.040
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Ludlamite and Turquoise Optic Character

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

Ludlamite and Turquoise Transparency

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