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

Rough Diamond Crystal In Kimberlite Matrix.

Diamond crystals and matrix specimens Mineral Specimens

Diamond in host rock - Stock Image - C028/8345 - Science Photo Library

Rough Diamond Crystal In Kimberlite Matrix.

Diamond crystals and matrix specimens Mineral Specimens

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

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

Diamond crystals and matrix specimens Mineral Specimens

Diamond crystals and matrix specimens Mineral Specimens

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

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

Diamond crystals and matrix specimens Mineral Specimens

Lustrous single transparent (0.59 carats) natural diamond crystal on Kimberlite matrix. The diamond crystal is flawed internally, and small dark

Diamond Crystal on Matrix from Mirna Pipe, Republic of Sakha (Yakutia), Siberia, Russia

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