Home
×

Powellite
Powellite

Adularia
Adularia



ADD
Compare
X
Powellite
X
Adularia

Powellite and Adularia Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Not Available
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
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
TransparentArthur Thomas, Gemstones (2009)
1.5 Refractive Index
1.974-1.984
1.518-1.536
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available
0.005-0.008
1.9 Clarity
Transparent
TransparentArthur Thomas

Powellite and Adularia Optic Character

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

Powellite and Adularia Transparency

Similar to their colors, Powellite 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, Powellite is Transparent while Powellite is Transparent in appearance.