Orpiment

Origin: Mercur District (Camp Floyd District), Oquirrh Mts, Tooele Co., Utah, U.S.A.

Sample size: 24 x 18 x 23 mm

Photo courtesy of:

Dan Weinrich

Origin: Quirivilca, La Libertad, Peru

Sample size: 4.7 x 4.9 x 4.0 cm

Orpiment with realgar

Origin: Humboldt County, Nevada, U.S.A.

Ex. K.H. Hollman collection

Sample size: 5.0 x 3.3 x 3.0 cm

Origin: Getchell Mine, Humboldt Co, Nevada, U.S.A.

Sample size: 8.1 x 4.8 x 3.1 cm

Origin: Cut 62, Twin Creeks Mine, Humboldt County, Nevada, U.S.A.

Sample size: 5 x 4.5 x 4 cm

Photo courtesy of:

Rob Lavinsky

SEM images

TEM images

vibrational spectra description

IR spectra

Raman spectra

N-IR spectra

F-IR spectra

IES spectra