Helpful Rock Links
Member Business Links
Non-Rock Related
El Cajon Valley
Gem and Mineral Society
Member/Business Links
Rock related
The El Cajon Valley Gem & Mineral Society is a group of dedicated, diverse and fun people. In addition to our shared passion for all things geological, our members have a plethora of skills, talents and professions. Here is a list of member-owned businesses with links to their websites. There is strength in our community.
Bud Green https://www.alumbracpa.com/
Brian Lorenz www.LorenzAdvertising.com
Mineral ID Key (another Bob's Rock Shop tool)
Brian Lorenz's
"Is This Rock Any Good?" - PDF/XML File on Considerations for a Cabochon