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Pectolite
Pectolite

Crocoite
Crocoite



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Pectolite
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Crocoite

Pectolite and Crocoite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Adamantine
1.2 Pleochroism
NilArthur Thomas
Distinctly trichroic
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.595-1.6452.31-2.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
1.8 Birefringence
0.028-0.038Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Pectolite and Crocoite Optic Character

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

Similar to their colors, Pectolite and Crocoite 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.