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Hemimorphite
Hemimorphite

Apatite
Apatite



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Hemimorphite and Apatite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Silky
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Blue stones – strong
1.3 Dispersion
Albite Optical ..
0.02
Rank: 18 (Overall)
0.01
Rank: 27 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.614-1.636
1.628-1.651
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Hexagonal
1.8 Birefringence
0.022
0.002-0.008
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Hemimorphite and Apatite Optic Character

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

Hemimorphite and Apatite Transparency

Similar to their colors, Hemimorphite and Apatite 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, Hemimorphite is Translucent and Transparent while Hemimorphite is Translucent and Transparent in appearance.