Materials
/
Anglesite
Anglesite
Refractive Index
1.8847–1.8852
Abbe Number
33.5–33.9
Crystal System
Isotropic (cubic)
Formation
Natural
Dispersion Data
Measured (published fit)
Fits
2
Refraction Fits
Fit #1
Shannon / Cauchy
n
n
=
1.8852
V
D
=
33.9
n
400
450
500
550
600
650
700
750
1.860
1.880
1.900
1.920
1.940
1.960
n
2
=
1
+
0.414
(
λ
2
−
0.018841
)
λ
2
Fit #2
— Specimen fit
Shannon / Cauchy
n
n
=
1.8847
V
D
=
33.5
n
400
450
500
550
600
650
700
750
1.860
1.880
1.900
1.920
1.940
1.960
n
2
=
1
+
0.4146
(
λ
2
−
0.019055
)
λ
2
Monte Poni
Absorption Specimens
LED
SUN
I
F
Anglesite
Morocco
LED
SUN
I
F
Anglesite
Not stated
LED
SUN
I
F
Anglesite
Not stated
LED
SUN
I
F
Anglesite
Not stated