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r/FluorescentMinerals↗

Fluorescent Rocks & Minerals [Best viewed in dark mode]

Glowing rocks! [Best viewed in dark mode] Fluorescent minerals emit colorful visible light when exposed to invisible ultraviolet light. Shortwave mineral lights, longwave LEDs, and even ordinary black lights can activate this luminescence.

28k subscribers53 posts / mo in Sep 202635 authors / mosince 2019

r/FluorescentMinerals has 28k members (+45% over the last 12 months). It gets about 53 posts a month from 35 people. Top topics: Fluorescent Calcite Rocks, UV Collections & Flashlights and Fluorite Collectibles.

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Size and growth

How r/FluorescentMinerals has grown

r/FluorescentMinerals

Subscriber growth

Subscribers over time

+45%in 12 months · +6.1% in 3 months · +1.2% in 1 month
Oct 202628k
Growing28k subscribers
Data since Jun 2019Live · through Oct 2026
r/FluorescentMinerals

Monthly activity

Posts, comments and authors per month

−18%vs Sep 2025 · +48% last 3 months vs the 3 before
Sep 202653
QuieterPeaked at 75 in Mar 2024
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/FluorescentMinerals

Top topics

Share of the subreddit's posts

  1. Fluorescent Calcite Rocks25%
  2. UV Collections & Flashlights7.0%
  3. Fluorite Collectibles7.0%
  4. Mineral Hunting2.4%
  5. Minerals2.4%

The full report

Everything else about r/FluorescentMinerals

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