ED89Y6: Finely striated polycrystalline Djurleite crystals. They are very bright and are with Bornite and on Quartz. This sample was sold by us some years ago and analyzed at that time, so, we’ll send a copy of this analysis to the buyer.
The specimen has been reviewed and published in the magazine ‘Lapis’ on page 11, volume 39, number 5, May 2014
Dzhezkazgan Mine, Shaft 57, level 180, Dzhezkazgan, Karaganda Region  Kazakhstan (1998)

Specimen size: 6.1 × 4.6 × 1.5 cm = 2.40” × 1.81” × 0.59”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”