Ramona, Ramona Mining District, San Diego County, California, USA
Key Information
Do not enter mining areas without proper authorization.
The Little Three Mine is in Ramona, San Diego County, California, 7.1 km east-northeast of Ramona, known for blue topaz and spessartine garnet.
It produces rare minerals like tourmaline, beryl, and lepidolite, found in pegmatite rock.
Mining started in the early 1900s, with major finds in 1905, 1976, and 1991, and is currently active with tours available.
The area has a strong mineral enthusiast community, with nearby clubs like Palomar Gem & Mineral Club hosting shows.
Ramona has a Mediterranean climate, with warm, dry summers and mild, wet winters, potentially aiding mineral preservation.
Location and Minerals
The Little Three Mine is located in Ramona, San Diego County, California, about 7.1 km east-northeast of the town, making it easily accessible for enthusiasts. It's famous for its blue topaz and orange spessartine garnet, attracting collectors worldwide.
Geological and Historical Insights
Geologically, the mine is developed in pegmatite, a rock type known for hosting gemstones. Its mining history dates back to the early 1900s, with significant discoveries like a 150-pound topaz-elbaite matrix in 1905, and it remains active today, offering guided tours.
Community and Climate
The local mineral community is vibrant, with nearby clubs like the Palomar Gem & Mineral Club in Escondido organizing annual shows. Ramona's Mediterranean climate, with warm, dry summers and mild, wet winters, likely helps preserve the minerals, enhancing the mining experience.