Ferrotantalite

Ferrotantalite with apatite

Origin: Pech, Kunar Province, Nuristan, Afghanistan

Sample size: 4 x 2.3 x 2 cm

Origin: Nuristan, Laghman Province, Afghanistan

Sample size: 8 x 7 x 4 cm

Photo courtesy of:

Rob Lavinsky

Origin: São José da Safira, Santa Maria do Suaçui, Minas Gerais, Southeast Region, Brazil

Sample size: 4.5 x 2.3 x 7 cm (top/2nd row), 5.8 x 4.2 x 10.5 cm (3rd/4th row), 7.2 x 4.4 x 9.5 cm (5th/bottom row)

Photo courtesy of:

Dan Weinrich

Optical properties/Thin sections

SEM images

TEM images

vibrational spectra description

IR spectra

Raman spectra

N-IR spectra

F-IR spectra

IES spectra