Home
×

Feldspar
Feldspar

Adularia
Adularia



ADD
Compare
X
Feldspar
X
Adularia

Feldspar and Adularia Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
None
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
TransparentArthur Thomas, Gemstones (2009)
1.5 Refractive Index
1.518-1.570
1.518-1.536
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Triclinic or monoclinic
Not Available
1.8 Birefringence
0.008-0.010
0.005-0.008
1.9 Clarity
Transparent
TransparentArthur Thomas

Feldspar and Adularia Optic Character

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

Feldspar and Adularia Transparency

Similar to their colors, Feldspar and Adularia 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, Feldspar is Translucent and Transparent while Feldspar is Translucent and Transparent in appearance.