Leucite

Refractive Index: 1.5087
Abbe Number: 63.7
Crystal System: Isotropic (cubic)
Formation: Natural
Dispersion Data: Measured (published fit)
Fits: 1

Refraction Fits

Fit #1

Shannon / Cauchy

$n$

n

= 1.5087

V_{D}

= 63.7

n^{2} = 1 + \frac{λ ^{2}}{0.8058 ( λ ^{2} - 0.009556 )}

Absorption Specimens

Italy, Rome Province (Alban Hills), Ariccia