“Built and maintained by a worldwide community of experts, Mindat.org is the world’s largest open database of minerals, rocks, meteorites and the localities they come from.” Motivated by a passion sparked at an early age, Jolyon Ralph started this database from scratch in 1993 (DOS/Windows application; homemade hand-coded system) and shepherded its evolution through the internet stage to finally becoming an outreach program under the … Continue reading mindat.org – A Minerals Database