Where to Find Calcite in Ohio
Ohio has 6 mapped collecting spots that report calcite, spread across 5 counties. The largest share sits in Ottawa County with 2 spots. 6 of the spots are on land mapped as publicly accessible.
Every calcite spot we track in Ohio
Best spotConneautAshtabula County, OhioPublic access · Calcite
SanduskyErie County, OhioPublic access · Calcite, Celestite, Dolomite +5
GenoaOttawa County, OhioPublic access · Calcite, Celestite, Dolomite +4
Maple Grove QuarrySeneca County, OhioPublic access · Calcite, Celestite, Dolomite +4
Clay Center limestone quarryOttawa County, OhioPublic access · Calcite, Celestite, Dolomite +3
Bowling GreenWood County, OhioPublic access · Barite, Calcite, Celestite +2
Standout calcite spots in Ohio
Hand-picked from the full list above, with the reason each one earns a trip.
Best counties for calcite in Ohio
Ranked by the number of mapped calcite spots. County links open the full rockhounding page for that county.
- Ottawa County2 spots
- Ashtabula County1 spot
- Erie County1 spot
- Seneca County1 spot
- Wood County1 spot
Before you go
Read the calcite identification guide so you know what a keeper looks like in the field: Calcite in the encyclopedia.
Calcite in Ohio FAQ
Where can you find calcite in Ohio?+
The mapped spots concentrate in Ottawa County, Ashtabula County, and Erie County. Every spot on this page is on the map, and each spot's own page has its coordinates and access notes.
How many calcite spots are mapped in Ohio?+
6 spots across 5 counties. The RockHoundR app keeps the same spots on an offline map with public land overlays, geology layers, and your saved finds.
Is it legal to collect calcite in Ohio?+
Hand collecting of common rocks and minerals in small amounts for personal use is generally allowed on BLM and U.S. Forest Service land, with limits set by the local field office. National parks, most state parks, and tribal land are closed to collecting. 6 of the 6 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.
