Where to Find Calcite in Indiana

Indiana has 7 mapped collecting spots that report calcite, spread across 5 counties. The largest share sits in Lawrence County with 2 spots. 7 of the spots are on land mapped as publicly accessible.

Standout calcite spots in Indiana

Hand-picked from the full list below, with the reason each one earns a trip.

Corydon
Harrison County
Corydon, Indiana's first state capital, sits in the karst country of Harrison County at the southern end of the geode belt, where cave-and-spring geology produces calcite, fluorite, dolomite, and quartz along with geodes in the local limestones.
Harrodsburg
Monroe County
Harrodsburg is the type area of the Harrodsburg Limestone, the Mississippian unit that lends its name to some of Indiana's best-documented geodes: quartz, calcite, and barite fillings that have also yielded rare millerite needles.

Best counties for calcite in Indiana

Ranked by the number of mapped calcite spots. County links open the full rockhounding page for that county.

Lawrence County2 spots
Monroe County2 spots
Cass County1 spot
Harrison County1 spot
Huntington County1 spot

Every calcite spot we track in Indiana

Sorted by county. Coordinates open in Google Maps.

Spot	County	Minerals	Coordinates	Access
LogansportUS 24	Cass County	Apatite Calcite Pyrite Quartz	40.7397, -86.2925	Public
Corydon	Harrison County	Calcite Fluorite Dolomite Quartz	38.2469, -86.1491	Public
HuntingtonCounty Road 400 North	Huntington County	Calcite Marcasite Pyrite Quartz Geode Sphalerite	40.8916, -85.4650	Public
Buddha	Lawrence County	Barite Calcite Celestite Gypsum Strontianite	38.7717, -86.3777	Public
Lawrence CountyGuthrie Road	Lawrence County	Geode Calcite Sphalerite Limonite Celestite Fluorite	38.9765, -86.5052	Public
BloomingtonNorth Oard Road	Monroe County	Fluorite Aragonite Calcite Barite	39.1696, -86.6227	Public
HarrodsburgSR 37	Monroe County	Calcite Dolomite Aragonite	39.0743, -86.5365	Public

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 Indiana FAQ

Where can you find calcite in Indiana?+

The mapped spots concentrate in Lawrence County, Monroe County, and Cass County. Every spot on this page appears on the map above with coordinates and access notes.

How many calcite spots are mapped in Indiana?+

7 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 Indiana?+

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. 7 of the 7 mapped spots here sit on land marked public. Always confirm current rules with the managing agency before you dig.

Where else to find calcite

More minerals to hunt in Indiana

Hunt calcite in Indiana with the map in your pocket

RockHoundR puts these spots on an offline map with BLM and Forest Service overlays, geology layers, and a log for your finds.