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Pectolite
Pectolite

Cobaltite
Cobaltite



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Pectolite
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Cobaltite

Pectolite and Cobaltite Optical Properties

1 Optical Properties
1.1 Luster
Silky
Not Available
1.2 Pleochroism
NilArthur Thomas
Very weak
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent
Gems
1.5 Refractive Index
1.595-1.645
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21
1.8 Birefringence
0.028-0.038
Not Available
1.9 Clarity
Transparent
Gems

Pectolite and Cobaltite Optic Character

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

Similar to their colors, Pectolite and Cobaltite 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.