Geology365

Complete 21 / 32 entries

LW fluorescent

How Rock Battles work: Collectors enter matching specimens from their Geology365 collections while submissions are open. When the bracket starts, logged-in users vote head-to-head each round until one champion remains. Each matchup gets one vote per collector; votes lock in once cast. See full rules for this battle ↓

vs.

In the arena

Champion

Fluorescent sphalerite

Cerussite, Enargite, Sphalerite

The Bracket

Round 1 isn’t a full field. 21 specimens were seeded into a 32-slot bracket, so 11 receive a bye and advance automatically.

Round 1

Hydrozincite, Galena, Gahnite, Microcline & Calcite

Bye

Bye

Bye

Bye

Bye

Bye

Bye

Bye

Bye

Bye

Bye

Fluorite (?), Sphalerite, Zincite, Willemite, Calcite

Anthophyllite or Clino-suenoite with Tremolite

Round 2

Round 3

Round 4

Championship

Rock Battle rules: LOOOOONG Wave UV

LOOOOONG Wave UV is a single-elimination Geology365 Rock Battle. Logged-in collectors can enter matching specimens from their collection, then vote on matchups until a champion is crowned.

Each logged-in user may enter up to 2 specimens in this battle.
Collectors may withdraw a specimen while submissions are still open.
The bracket is limited to 32 specimens total (currently 21 entered), and needs at least 16 entries to launch.
Eligible specimens must match this battle’s filters: Long Wave (LW) fluorescent .
The battle’s active submission window runs from 9/12/2026 12:00 am through 9/28/2026 11:45 pm.
This Rock Battle is complete. The champion is shown above when available.
Each voting round lasts 2 days. Matchups advance in a single-elimination bracket until one specimen remains.
Logged-in users may cast one vote per matchup. Votes lock in once cast and cannot be changed. Live standing bars appear after you vote; total vote counts are shown once enough collectors have weighed in.
You must own a specimen to enter it. Anyone with a Geology365 account may vote once voting begins.