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

Diamond crystals and matrix specimens Mineral Specimens

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

Rough Diamond Crystal In Kimberlite Matrix.

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

Natural Sharp Diamond on Matrix from Russia - Fine Art Minerals

Diamond Crystals (natural diamonds)

Diamond crystals and matrix specimens Mineral Specimens

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

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

A Gorgeous Crystal Clear Herkimer Diamond on Matrix Piece is a perfect diamond and will need extra packaging for delicate shipping. Size: 104x51mm

1900’s NY Herkimer Diamond On Matrix Crystal Mineral Specimen Medium Cabinet

Herkimer Diamond in Limestone Matrix 4