r/mineralcollectors↗
r/MineralCollectors, The Sub to Share Personal Collections & Discuss the Hobby
A subreddit for mineral collectors to share our collections & discuss all aspects of our hobby. Here you can share any specimen in your collection that is not for sale, photos you took from museums and your photos from mineral shows you've been to. You can also share educational content, start conversations about the hobby
44k subscribers216 posts / mo in Sep 2026115 authors / mosince 2018
r/mineralcollectors has 44k members (+64% over the last 12 months). It gets about 216 posts a month from 115 people. Top topics: Mineral Specimens, MineralsAndRocks and Fluorite Specimens.
When to post on r/mineralcollectors
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How r/mineralcollectors has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/mineralcollectors
Top topics
Share of the subreddit's posts
- Mineral Specimens6.6%
- MineralsAndRocks5.1%
- Fluorite Specimens3.6%
- Gemstones and Minerals2.8%
- Fluorescent Calcite Rocks2.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- etsy
- eBay
Everything else about r/mineralcollectors
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research