Geology365

Submissions open 0 / 32 entries Voting starts 9/28/2026 7:00 pm

No restrictions. Any mineral species. Any Price Point. It doesn't matter. May the best rock win!

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 ↓

In the arena

The Bracket

Bracket preview — matchups fill in when voting starts (9/28/2026 7:00 pm) . Slots below show TBD until specimens are seeded.

Round 1

Round 2

Round 3

Round 4

Championship

Rock Battle rules: Any/All Specimens

Any/All Specimens 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 0 entered), and needs at least 16 entries to launch.
Any specimen in a member’s collection may be entered while submissions are open.
The battle’s active submission window closes 9/28/2026 7:00 pm.
Specimens can be registered while the battle status is open until 9/28/2026 7:00 pm , or until the field fills to 32 entries .
Voting is scheduled to begin 9/28/2026 7:00 pm.
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.