Diamond, crystal in matrix - Stock Image - C001/4339 - Science Photo Library

Diamond, composed of pure carbon, is the hardest mineral known, and also the most popular gemstone. It occurs in a unique rock known as kimberlite that was created at great depths and high temperature and pressure. JOEL AREM/SCIENCE PHOTO LIBRARY

Matrix hi-res stock photography and images - Alamy

SUPERB Diamond Crystal in Kimberlite Matrix MIRNY MINE, RUSSIA - Ex. Sacchi

Diamond in kimberlite matrix hi-res stock photography and images - Alamy

Diamond Crystal on Matrix from Mirna Pipe, Republic of Sakha (Yakutia) — Astro Gallery of Gems

Diamond Crystal on Matrix from Mirna Pipe, Republic of Sakha (Yakutia) — Astro Gallery of Gems

Another Middleville specimen. A lot going on here, mostly decent with a few detractions. Includes a calcite crystal. Anthraxolite inclusions in a few

Herkimer Diamond in Matrix w/ Calcite

Diamond, crystal in matrix - Stock Image - C001/4340 - Science Photo Library

Diamond crystals and matrix specimens Mineral Specimens

Diamond in kimberlite 3, Diamond crystal in kimberlite matr…

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

Thumbnail Herkimer Diamond Crystal on Matrix - Diamond Acres Mine, NY