×

Brookite
Brookite

Augelite
Augelite



ADD
Compare
X
Brookite
X
Augelite

Brookite and Augelite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Adamantine
Pearly
1.2 Pleochroism
Very weak
NilArthur Thomas
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004) More from other references
1.5 Refractive Index
2.583-2.7411.570-1.591
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
1.8 Birefringence
0.1170.020-0.021
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
TransparentUlrich Henn and Claudio C. Milisenda

Brookite and Augelite Optic Character

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

Brookite and Augelite Transparency

Similar to their colors, Brookite and Augelite 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, Brookite is Gemmological Tables (2004) More from other references while Brookite is Gemmological Tables (2004) More from other references in appearance.