Dioptase

Ex. W. Israel collection

Dioptase on calcite

Origin: Tsumeb, Namibia

Sample size: 6.9 x 4.3 x 3.9 cm (top/2nd row), 10.7 x 7.0 x 4.0 cm (bottom)

Origin: Reneville, Brazzaville Region, Congo

Ex. Gary Hansen collection

Sample size: 3.3 x 2.7 x 2.0 cm

Dioptase on calcite, Ex. Gebhard Collection

Dioptase on calcite

Origin: Tsumeb, Namibia

Sample size: 3.5 x 3 x 3 cm (top/2nd row), 14.7 x 12 x 8.2 cm (3rd/bottom row)

Dioptase with calcite

Origin: Altyn Tyube, Kazakhstan (type locality)

Sample size: 4.7 x 2.6 x 2.2 cm

Photo courtesy of:

Rob Lavinsky

Optical properties/Thin sections

SEM images

TEM images

vibrational spectra description

IR spectra

Raman spectra

N-IR spectra

F-IR spectra

IES spectra