Geology365

Complete 8 / 8 entries

Testing the new "Rock Battles" feature in Geology365. The first contest is calcite specimens. Add your vote now and come back tomorrow for the next round.

Calcite

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

Calcite on Druzy Quartz

Calcite, Quartz

The Bracket

Round 1

Round 2

Championship

Rock Battle rules: Calcite Test Battle

Calcite Test Battle 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 8 specimens in this battle.
The bracket is limited to 8 specimens total (currently 8 entered).
Eligible specimens must match this battle’s filters: minerals include Calcite .
The battle’s active submission window runs from 8/4/2026 12:00 am through 8/4/2026 7:00 pm.
This Rock Battle is complete. The champion is shown above when available.
Each voting round lasts 1 day. 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.