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Nuummite
Nuummite

Pectolite
Pectolite



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Nuummite
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Pectolite

Nuummite and Pectolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Silky
1.2 Pleochroism
Not Available
NilArthur Thomas
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
1.635-1.6631.595-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Triclinic
1.8 Birefringence
0.0170-0.2300.028-0.038
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent

Nuummite and Pectolite Optic Character

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

Nuummite and Pectolite Transparency

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