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Pectolite
Pectolite

Andradite Garnet
Andradite Garnet



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Pectolite
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Andradite Garnet

Pectolite and Andradite Garnet Optical Properties

1 Optical Properties
1.1 Luster
Silky
Adamantine
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Opaque, Transparent to opaque
1.5 Refractive Index
1.595-1.6451.888-1.889
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Isometric
1.8 Birefringence
0.028-0.038Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to opaque

Pectolite and Andradite Garnet Optic Character

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

Pectolite and Andradite Garnet Transparency

Similar to their colors, Pectolite and Andradite Garnet 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, Pectolite is Transparent while Pectolite is Transparent in appearance.