Where to Find Tourmaline in Maryland
3 mapped tourmaline rockhounding spots in Maryland, across 2 counties. Tourmaline is a complex boron silicate that comes in nearly every color.
Map of 3 tourmaline rockhounding spots in Maryland
Tourmaline by county in Maryland
Counties ranked by number of tourmaline spots in our database.
Every tourmaline spot in Maryland
Sorted by county. Coordinates open in Google Maps. Click a row for details.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Baltimore CountyScale House Boulevard | Baltimore County | 39.4687, -76.6505 | Public | |
| GraniteQuarry Trail | Baltimore County | 39.3454, -76.8637 | Public | |
| CastletonMason-Dixon Trail | Harford County | 39.6851, -76.2183 | Public |
Tourmaline in Maryland FAQ
Where can I find tourmaline in Maryland?+
RockHoundR tracks 3 tourmaline spots in Maryland, spread across 2 counties. The strongest concentration is in Baltimore County.
Is collecting tourmaline legal in Maryland?+
Casual hand collection of common rocks and minerals like tourmaline is allowed on most BLM and U.S. Forest Service land in Maryland, with daily and annual limits set by the local field office. National parks, most state parks, and tribal land are off-limits. Always confirm rules before a trip.
What is the best tourmaline location in Maryland?+
Baltimore County has the most tourmaline spots in our database for Maryland. The full county breakdown is below — different counties produce different qualities and varieties.
Other states for tourmaline
Hunt tourmaline in Maryland on the map
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