×

Powellite
Powellite

Fluorapatite
Fluorapatite



ADD
Compare
X
Powellite
X
Fluorapatite

Powellite and Fluorapatite Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Subadamantine
Vitreous, Resinous
1.2 Pleochroism
In deeply colored specimens: blue greenAnthony et al
Weak to strong if coloreD
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.974-1.9841.631-1.650
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Powellite and Fluorapatite Optic Character

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

Similar to their colors, Powellite and Fluorapatite 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.