YTJ, yritys- ja yhteisötietojärjestelmä YTJ, yritys- ja yhteisötietojärjestelmä
YTJ, yritys- ja yhteisötietojärjestelmä YTJ, yritys- ja yhteisötietojärjestelmä
The goal of this site is to present a comprehensive list of links to mineral dealer websites, and sites for businesses that offer related services. That includes some gem, beads, crafts and related businesses, particularly if they offer specimens for sale.
The listings on this site are checked regularly for broken links, insecure sites or sites with illegal or objectionable content, irrelevant content, slow-loading sites or sites that time out.
Update May 16, 2025: several dozens broken links were removed. The site has zero broken links, as of today.
Some useful links:
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