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Narsarsukite
Narsarsukite

Anthophyllite
Anthophyllite



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Narsarsukite
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Anthophyllite

Narsarsukite and Anthophyllite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Pearly
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
When Fe-rich
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.610-1.6471.603-1.690
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
1.8 Birefringence
0.021Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Narsarsukite and Anthophyllite Optic Character

Narsarsukite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Narsarsukite and Anthophyllite 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 Narsarsukite and Anthophyllite 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. Anthophyllite has Biaxial/+ character.

Narsarsukite and Anthophyllite Transparency

Similar to their colors, Narsarsukite and Anthophyllite 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, Narsarsukite is Translucent and Transparent while Narsarsukite is Translucent and Transparent in appearance.