Goethite

Goethite pseudomorph after siderite on smoky quartz

Origin: Two Point Claim, Teller County, Colorado, U.S.A.

Sample size: 5.5 x 4.8 x 4.2 cm

Goethite on smoky quartz

Origin: Pikes Peak, Pluton Area, Park County, Colorado, U.S.A.

Sample size: 4.7 x 3.7 x 3.3 cm

Goethite pseudomorph after pyrite

Origin: Elizabeth R Mine, Pala, San Diego Co., California, U.S.A.

Sample size: 2 x 1.8 x 1.6 cm

Goethite on quartz

Origin: Lake George, Florissant, Teller Co., Colorado

Sample size: 4.9 x 4.6 x 3.5 cm

Origin: East Pit, Graves Mountain, Lincoln County, Georgia, U.S.A.

Sample size: 4 x 1.4 x 1.2 cm

Goethite crystals with tiny quartz crystals

Origin: Atlas Mountains, Morocco

Sample size: 4.4 x 3 x 2 cm

Photo courtesy of:

Rob Lavinsky

Goethite pseudomorph after pyrite

Origin: Pelican Point area, Utah Co., Utah, U.S.A.

Sample size: 3 x 3.5 x 3.7 cm

Photo courtesy of:

Dan Weinrich

SEM images

TEM images

vibrational spectra description

IR spectra

Raman spectra

N-IR spectra

F-IR spectra

IES spectra