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Aventurine feldspar
Aventurine feldspar

Catapleiite
Catapleiite



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Aventurine feldspar
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Catapleiite

Aventurine feldspar and Catapleiite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
1.5 Refractive Index
Not Available1.590-1.629
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)
1.8 Birefringence
Not Available0.039
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Aventurine feldspar and Catapleiite Optic Character

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

Aventurine feldspar and Catapleiite Transparency

Similar to their colors, Aventurine feldspar and Catapleiite 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, Aventurine feldspar is Not Available while Aventurine feldspar is Not Available in appearance.