#corundum
Live, measured metrics for the hashtag #corundum from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #corundum
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-10-16 01:40 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-10-16 01:40 UTCNo related tags with measured usage found for #corundum.
Live pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-10-16 01:40 UTCEverything below is measured over the latest 40 public posts (spanning ~18522 hours).
Posting hours (UTC) — busiest: 14:00
Languages: English (34) · German (4) · Ukrainian (1)
Avg boosts / post: 3.4
Top of the latest posts
#MinCup2023 Corundum vs stibnite. Both minerals spark joy, but it's got to be #corundum for me - pretty much a local Mull speciality. Here's a very large, but very thin, blue sapphire crystal I collected from a melted pelite xenolith in the
#MinCup23 #corundum Still got a few hours left, so let me add that corundum, as industrial sapphire, has many uses in laboratory medicine. It's scratch resistant, heat resistant, acid proof; can be a rod, tube, lens, or bearing. The only ma
Так ти — корунд, чи підробка? Це один з самих стійких і міцних абразивів на планеті — корунд. Або ні, або це — рожевий пісок, зібраний в щось схоже на дитячу цукерку. Цього разу я купив декілька наборів і в різних покупців, бо перепробував
What “corundum” means
WikipediaCorundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium, and chromium. It is a rock-forming mineral. It is a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure. Corundum has two primary gem varieties: ruby and sapphire. Rubies are red due to the presence of chromium, and sapphires exhibit a range of colors depending on what transition metal is present
“Corundum” on Wikipedia (CC BY-SA) →#corundum across platforms
every network with a public tag surfaceFollow #corundum straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/corundum