Judging quality
Bands are extremely fine, sharply defined and often intensely red. Loose, pale, wide banding is ordinary Mexican agate rather than true Laguna.
Chalcedony
Laguna Agate
Widely considered the finest banded agate on earth: tight, high-contrast red and white fortification banding from one ranch in Chihuahua. Collector-grade nodules are sold by name and by pattern.
Care
Hard and stable.
History & lore
The Ojo Laguna beds were popularised by American rockhounds in the 1950s and remain the reference point for agate quality worldwide.
Cultural history, recorded as tradition rather than as medical or scientific claim.
Common questions about Laguna Agate
- What is Laguna Agate?
- Widely considered the finest banded agate on earth: tight, high-contrast red and white fortification banding from one ranch in Chihuahua. Collector-grade nodules are sold by name and by pattern.
- How hard is Laguna Agate and what is it made of?
- Laguna Agate is a Chalcedony-family mineral with the composition SiO2. It crystallizes in the trigonal system and rates 6.5-7 on the Mohs hardness scale. It occurs in red, orange, cream, banded.
- Where does Laguna Agate come from?
- Notable localities for Laguna Agate include Ojo Laguna, Chihuahua, Mexico.
- How do you tell good Laguna Agate from filler?
- Bands are extremely fine, sharply defined and often intensely red. Loose, pale, wide banding is ordinary Mexican agate rather than true Laguna.
- How do you care for Laguna Agate?
- Hard and stable.
See it in person
Photographs only go so far
Both rooms are open six days a week, and there is always someone happy to pull pieces out of the case so you can compare them under the light.