The Sweet Home Mine project in Alma, Colorado operated successfully for 14 years from 1991 to 2004, ultimately recovering hundreds of world-class rhodochrosite specimens.

Rhodochrosites from this locality have become coveted icons in museums and private collections around the world.

Collector’s Edge is a worldwide leader in high-risk, high-reward mining projects which target world-class crystallized mineral occurrences. Since 1984, Collector’s Edge has operated and funded more than fifty mining projects on six different continents. Specimens from these projects such as the “Dragon” gold and “Alma King” rhodochrosite have become household names in the mineral collecting world.

Knowledge, determination, and resources are essential ingredients in acquiring elite-level mineral specimens when they become available.

Collector’s Edge has a proven record, the experience, and resources to acquire top quality specimens for its clients worldwide.

Collector’s Edge works with mining companies worldwide to source fine mineral specimens.

When a significant discovery is made, Collector’s Edge is often called upon for advice in extraction, cleaning, and marketing.

Over the past 35 years, Collectors Edge has acquired some of the world’s most important private collections to secure mineral classics for our clients.

Notable acquired collections include the F. John Barlow Collection, the Dr. Stephen Neely Collection, the Philadelphia Academy Of Natural Sciences Collection, etc.

We value and respect discretion in all our client relationships and work to discretely help our clients acquire significant mineral specimens as well as sell them when the time is right.

Whether you are just starting out or are a veteran collector, Collectors Edge can be a trusted source of world-class minerals.

Collector’s Edge established the world’s first commercial preparation lab to transform the mineral specimens we mine and acquire into pristine, high-quality pieces.

By using state-of-the-art equipment and proprietary processes, our laboratory is able to reveal the full beauty nature created and add significant value to our minerals.

As industry leaders for 35 years, Collectors Edge is uniquely positioned to share insider insights on the latest trends in the mineral specimen market. Our unique sourcing model allows us to consistently offer great mineral specimens to our clients.

Video of Collector’s Edge founder and owner Bryan Lees discussing the unique history of Collector’s Edge from mining to marketing world-class mineral specimens. Courtesy of Jewelry Television.