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Friedelite
Friedelite

Pectolite
Pectolite



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Friedelite
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Pectolite

Friedelite and Pectolite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Silky
1.2 Pleochroism
NilArthur Thomas
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.627-1.6631.595-1.645
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Triclinic
1.8 Birefringence
0.032-0.0350.028-0.038
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Friedelite and Pectolite Optic Character

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

Friedelite and Pectolite Transparency

Similar to their colors, Friedelite 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, Friedelite is Translucent while Friedelite is Translucent in appearance.