These collaborative databases curated by people working in the field are usually... | Hacker News

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		chmod775 on June 21, 2021 \| parent \| context \| favorite \| on: Mindat.org, the largest open database of minerals,... These collaborative databases curated by people working in the field are usually gems.

pjc50 on June 21, 2021 [–]

This isn't technically a gem, it's a semi-precious website.

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