pgs.com Rank 185K. Estimated value 11,796$iris.edu Rank 94K. Estimated value 23,316$geo-matching.com Rank 197K. Estimated value 11,064$gpsworld.com Rank 519.1K. Estimated value 4,164$raregoldnuggets.com Rank 1.4M. Estimated value 1,560$ideam.gov.co Rank 238K. Estimated value 9,144$minerals.net Rank 456.5K. Estimated value 4,740$randymajors.org Rank 296.7K. Estimated value 7,320$gem-a.com Rank 468.5K. Estimated value 4,620$geoforum.fr Rank 2.3M. Estimated value 924$