×

Angelite
Angelite

Alunite
Alunite



ADD
Compare
X
Angelite
X
Alunite

Angelite and Alunite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
Not Available1.572
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
Not Available0.020
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Angelite and Alunite Optic Character

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

Angelite and Alunite Transparency

Similar to their colors, Angelite and Alunite 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, Angelite is Not Available while Angelite is Not Available in appearance.