Diaspore

Refractive Index: 1.7249
Abbe Number: 65.4
Crystal System: Isotropic (cubic)
Formation: Natural
Dispersion Data: Measured (published fit)
Fits: 1

Refraction Fits

Fit #1

Shannon / Cauchy

$n$

n

= 1.7249

V_{D}

= 65.4

n^{2} = 1 + \frac{λ ^{2}}{0.5209 ( λ ^{2} - 0.009791 )}

Absorption Specimens

Turkey, Mugla Province