Grossular

Origin: Jeffrey Mine, Asbestos, Quebec, Canada

Sample size: 7.5 x 5.2 x 3.5 cm (top), 2.4 x 2.1 x 0.9 cm (2nd row), 2.2 x 2.0 x 1.5 cm (bottom)

Grossular on quartz

Origin: Dara Pech, Kunar Province, Afghanistan

Sample size: 5.8 x 4.7 x 4 cm

Variety hessonite

Origin: Kaiiado District, Rift Valley Province, Kenya

Sample size: 7.1 x 4.8 x 4.2 cm (top), 5.6 x 4.6 x 3.6 cm (2nd row), 6 x 4.2 x 2.8 cm (bottom)

Origin: Lake Jaco, Chihuahua, Mexico

Ex. Don Belsher collection

Sample size: 2.8 x 1.6 x 1.6 cm, 2.7 x 2.0 x 2.0 cm, 2.7 x 2.0 x 2.0 cm, 2.0 x 2.2 x 2.0 cm

Origin: Lake Jaco, Chihuahua, Mexico

Sample size: 4.1 x 3.5 x 2.3 cm (top), 4.5 x 4.3 x 3.0 cm (2nd row), 3.3 x 3.2 x 3.1 cm (bottom)

Photo courtesy of:

Rob Lavinsky

SEM images

TEM images

vibrational spectra description

IR spectra

Raman spectra

N-IR spectra

F-IR spectra

IES spectra