Database statistics on Thursday, 22 February 2018.

There are 621 gem names in the database.

There are 522 gemstone data pages.

There are 3,075 total locality items listed, from 1,442 unique sites worldwide.

There are 682 localities with map coordinates.

There are 7,493 gem photos listed.

There are 191 other photos listed.

Copyright © Jolyon & Katya Ralph 1993-2018. Site Map. Locality, gem & photograph data are the 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.