Gillespite spectra

Gillespite Visible Spectra (380 - 1500 nm)

Gillespite, BaFe²⁺Si₄O₁₀, is a mineral with iron in an unusual coordination environment. The red color comes from Fe²⁺ in square planar four coordination.

Image of the gillespite absorption spectrum

Gillespite spectrum; Incline, Maraposa County, California, USA, 0.100 mm thick. Data File: E \\a; E \\c.

Link to references about the spectra of gillespite

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revised 5-Jul-2022