(520) 322-5773


TGMS General Meeting

  • Tucson Gem and Mineral Society 3727 East Blacklidge Drive Tucson, AZ, 85716 United States

Doors will be open at 7:00 p.m. and the meeting will start at 7:30 p.m.

FOR: TGMS Members and open to the public

GUEST SPEAKER: John Callahan & Ron Gibbs

John "Thunder" Callahan is a retired illustrator with the U.S. Geological Survey, collector and student of Arizona minerals, field collector, and occasional TGMS caterer.

Ron Gibbs is a retired Mining Engineer with Freeport McMoRan, collector and enthusiast of all sizes and sorts of minerals, he is best known for micromounts.

Both John & Ron are long term TGMS members and volunteers.

LECTURE TITLE: "Micromineralogy at the 79 Mine"

Refreshments served.

For more information, contact the TGMS office.