Hematite

Hematite coated marcasite with pyrite on calcite and dolomite

Origin: Town of Felch, Dickinson Co., Michigan, U.S.A.

Sample size: 5.1 x 4.0 x 1.8 cm

Hematite crystals with rutile

Origin: Aquas Claras Mine, Nova Lima, Belo Horizonte, Minas Gerais, Brazil

Sample size: 7.5 x 6.4 x 3.2 cm

Kidney ore

Origin: Cumbria, England

Sample size: 4.3 x 2.5 x 2.1 cm

Origin: St. Gothard, Switzerland

Ex. Gene Meieran collection, ex McGuinness collection

Sample size: 2.7 x 2 x 0.5 cm

Hematite pseudomorph after magnetite

Origin: Payun Matru Volcano, Mendoza, Argentina

Ex. Gene Meieran collection

Sample size: 5.5 x 1.9 x 1.9 cm

Origin: Congonhas do Campo, Minas Gerais, Brazil

Ex. Gene Meieran collection

Sample size: 4.5 x 3.6 x 1.2 cm

Photo courtesy of:

Rob Lavinsky

Origin: Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa

Sample size: 8.6 x 6.9 x 7.7 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