Crystals near San Antonio, TX
5 of the mapped rockhounding spots within 150 miles of San Antonio report crystal. The closest is Amethyst Hill on Althaus Ranch, about 61 miles out (1 hr 16 min drive).
Most collectable crystals in the field are quartz family: clear rock crystal, amethyst, smoky quartz, and rose quartz from pegmatites, veins, and vugs in host rock.
Map of 5 crystal collecting spots within 150 miles of San Antonio, Texas
Closest crystals spots to San Antonio
- Amethyst Hill on Althaus RanchBlanco County, Texas61 mi · 1 hr 16 min driveAmethyst, Citrine
- Moss Ranch area near Enchanted RockLlano County, Texas77 mi · 1 hr 36 min driveEpidote, Pink Feldspar, Quartz
- Babyhead to Miller MtLlano County, Texas95 mi · 1 hr 59 min driveLlanite, Opal-quartz
- Ranches W of MasonMason County, Texas107 mi · 2 hr 13 min driveAmazonite, Feldspar, Quartz
- StreeterMason County, Texas107 mi · 2 hr 13 min driveAmazonite, Feldspar, Smoky Quartz
Types of crystals reported near San Antonio
Counts reflect how many spots in this radius mention each variety.
- Quartz2
- Smoky Quartz2
- Amethyst1
- Opal-quartz1
Every crystal spot within 150 miles of San Antonio
Sorted by distance from San Antonio. Tap a row for directions, access status, and nearby trips.
| Spot | County | Minerals | Coordinates | Access |
|---|---|---|---|---|
| Amethyst Hill on Althaus Ranch | Blanco County |
| 30.3067, -98.4455 | Public |
| Moss Ranch area near Enchanted Rock | Llano County |
| 30.5020, -98.8021 | Public |
| Babyhead to Miller Mt | Llano County |
| 30.7995, -98.6410 | Public |
| Ranches W of MasonGrit Happens | Mason County | 30.7798, -99.3432 | Public | |
| StreeterUS Highway 377 | Mason County |
| 30.7656, -99.3796 | Public |
Crystals near San Antonio FAQ
Where can I find crystals near San Antonio?+
5 mapped spots within about 150 miles of San Antonio report crystal. The closest is Amethyst Hill on Althaus Ranch in Blanco County County, roughly 61 miles away (1 hr 16 min drive). The full list with coordinates is on this page.
Can I collect crystals on public land near San Antonio?+
5 of the 5 spots here sit on land mapped as publicly accessible. Casual hand collecting of common rocks and minerals is allowed on most BLM and Forest Service land with limits set by the local field office; national parks and most state parks are closed to collecting. Confirm current rules with the managing agency before a trip.
Where do quartz crystals actually form?+
In open pockets: vugs in limestone, gas cavities in volcanic rock, and pockets inside pegmatites. That is why digging productive crystal ground means following a vein or a pocket zone rather than sifting random soil. Loose points in creek beds are pocket material that erosion already freed.
How far from San Antonio do I need to drive?+
The nearest crystal spot is about 61 miles out, and the farthest on this list is 107 miles. Most fall inside a normal weekend day-trip radius.
