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Sapphire
Sapphire

Pectolite
Pectolite



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Sapphire and Pectolite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Silky
1.2 Pleochroism
Strong
NilArthur Thomas
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent
1.5 Refractive Index
1.762-1.788
1.595-1.645
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Triclinic
1.8 Birefringence
0.008-0.009
0.028-0.038
1.9 Clarity
Transparent
Transparent

Sapphire and Pectolite Optic Character

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

Sapphire and Pectolite Transparency

Similar to their colors, Sapphire 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.