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Ludlamite
Ludlamite

Bloodstone Heliotrope
Bloodstone Heliotrope



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Ludlamite
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Bloodstone Heliotrope

Ludlamite and Bloodstone Heliotrope Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Waxy
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.653-1.6931.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.038-0.0440.003-0.009
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Ludlamite and Bloodstone Heliotrope Optic Character

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

Similar to their colors, Ludlamite and Bloodstone Heliotrope 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.