mineral general info

Goethite

Origin: Pribram, Bohemia, Czech Republic

Owner: Lou Perloff

Microscopic image

Origin: Warsaw, Hancock Co., Illinois, U.S.A.

Owner: Lou Perloff

Microscopic image

goethite in quartz

Origin: Minas Gerais, Brazil

Owner: Lou Perloff

Microscopic image

Goethite and ramsdellite on quartz

Origin: Chihuahua, Mexico

Owner: Lou Perloff

Microscopic image

Goethite with bromargyrite

Origin: Johanngeorgenstadt, Saxonay, Germany

Owner: Lou Perloff

Microscopic image

Photo courtesy of:

Lou Perloff

Goethite after siderite with amazonite (microcline)

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

Sample size: 6 x 4.5 x 3.5 cm

Lustrous chocolate-brown limonite having replaced a complex pyrite crystal

Origin: Rio Marino, Elba, Italy

Sample size: 3.5 x 3 x 3 cm

Photo courtesy of:

Rob Lavinsky

The Arkenstone

Origin: Melrose, Iowa, United States

Sample size: 3 x 3 x 3 cm

Dark brown to black, botryoidal masses approximately 2 mm in diameter of goethite with gold-coloured pyrite and white dolomite.

Origin: McLeod Mine, Wawa, Ontario, Canada

Sample size: 7 x 4 x 3 cm

Goethite with quartz

Origin: Bottalack, Cornwall, England

Sample size: 6 x 5 x 4 cm

Black to dark brown, radial aggregates with a diameter of approximately 7 mm. Calcite is white with crude crystals. Quartz is colourless and prismatic.

Origin: Lostwithiel, Cornwall, England

Sample size: 6 x 4 x 4 cm

Origin: Wannatosa, Wisconsin, United States

Ex. DeVito collection

Sample size: 5 x 4 x 1 cm

Photo courtesy of:

Tom Loomis

Dakota Matrix Minerals