Database statistics on Friday, 31 March 2023.

There are 624 gem names in the database.

There are 526 gemstone data pages.

There are 3,156 total locality items listed, from 1,475 unique sites worldwide.

There are 920 localities with map coordinates.

There are 7,952 gem photos listed.

There are 219 other photos listed.

Copyright © Jolyon & Katya Ralph 1993-2023. Site Map. Photographs are copyright of the individuals who submitted them. For more information please contact the . is an online information resource dedicated to providing free gemmological information to all.