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

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

Diamond crystal structure and cubic symmetry, illustration - Stock Image - C055/7833 - Science Photo Library

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

Diamond Crystals (natural diamonds)

Diamond Crystals (natural diamonds)

117 g Herkimer Diamonds in Calcite Matrix Specimen, Diamond Mountain

Diamond crystal structure and hexagonal symmetry, illustration - Stock Image - C055/7834 - Science Photo Library

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

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

Diamond crystals and matrix specimens Mineral Specimens

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

Diamond crystals and matrix specimens Mineral Specimens

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