Dioptase

Dioptase on calcite. Ex. Jack Halpern collection

Ex. Ernie Schlichter collection

Dioptase on calcite

Origin: Tsumeb, Tsumeb Mine, Namibia

Sample size: 10.3 x 8.3 x 3.8 cm (top/2nd row), 5.2 x 3.4 x 1.4 cm (3rd/4th row), 4.9 x 3.9 x 2.6 cm (5th/6th row), 3.5 x 2.2 x 1.5 cm (bottom)

Origin: Reneville, Republic of Congo

Ex. Ernie Schlichter collection

Sample size: 4.8 x 4.3 x 3.1 cm

Origin: Altyn Tyube, Karaganda Oblast, Kazakhstan

Ex. Marty Lewadny collection

Sample size: 4.7 x 3.6 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