Scorodite

Refractive Index
1.8000
Abbe Number
60.0
Crystal System
Isotropic (cubic)
Formation
Natural
Dispersion Data
Approximate (from n, V)
Fits
1

Refraction Fits

Fit #1— Cauchy from (n_D, V_D estimated from arsenate family)

Cauchy approximation

Valid 0.38–0.78 µm

= 1.8000 = 60.0
n4004505005506006507007501.7901.8001.8101.8201.830

Fe arsenate hydrate. Dispersion estimated. n_D from published gemological tables; V_D estimated from arsenate family because species-specific dispersion is not widely reported. Source: Winchell / GIA / Liddicoat compilations.

Absorption Specimens