51:53
Collecting Franklin Fluorescent Minerals – James Van Fleet
01:20:42
Mining and Collecting Minerals in Quiruvilca, Peru: Into the Andes with Ray McDougall
01:12:06
All Tied Up with Bolos - Jim Hird
01:17:50
Mineral Mining in the Mohawk Valley, New York - Bill Stephens
01:21:58
Biominerals, their crystallography, and more updates from the Smithsonian NMNH – Dr. Gabriela Farfan
02:06:51
Chesapeake Bay Impact Crater: What, Where, How, & Effects - David S. Powars, USGS
01:04:44
Serpentinites: Geologic Origin & Unique Associated Minerals - C. Leigh Broadhurst, Ph.D.
01:49:39
Pegmatites - Earth's Most Amazing Rocks - with Michael Wise, Ph.D.
55:49
Greenland's Mineral Frontier - Thomas Hale
01:33:42
The King of Tides: Minerals of the Bay of Fundy - Ray McDougall
01:03:57
Canadian Wildfire Ash: Collection and Study in Washington, DC, June 2023 - Tim Rose
01:00:49
The North American Craton: its tectonic growth and mineral endowment - Patrick Rowe
01:08:52
Actinolite, Alpine Mudflows, and the San Andreas Fault - Debra Brooks
01:28:58
Musings of a Mineral Museum Curator - Dr. Jeffrey Post, Smithsonian
01:06:21
Patterns in Global Volcanic Activity - Dr. Ben Andrews
01:45:45
The Mineral-Security Nexus - Thomas Hale
37:48
Diamond Prospecting in Murfreesboro, Arkansas - Kathy Hrechka
01:13:18
Gemstone Hunting in Afghanistan and Central Asia – Gary Bowersox
01:08:26
Rodingite from Hunting Hill Quarry, Maryland - Tim Rose
01:42:24
Silver, born of cataclysmic events and brought to us by improbable happenings - Patrick Rowe
22:43
Texas Panhandle sinkholes: Geological Analysis of Wind Sinks and Boehmer Lake - Gwen Loeber
01:36:34
Volcanology of the Oregon Cascades - Richard Tollo, Ph.D.
52:55
Iceland Sunstones in Viking Navigation - Saga and Science, with Dr. Jennifer Bartlett
01:54:00
“Michigan Copper -- The Keweenaw: Its Mines and Minerals, Then and Now” with James Hird
01:03:17
“Trilobites: From Cambrian Oceans to West Virginia Collecting Sites” with Casper Voogt
48:15
“Smithsonite: My Global Micromineral Collection & the Legacy of James Smithson” with Kathy Hrechka
29:03
“Gemstones of Ancient Egypt” by Derek Yoost
09:29
“Close-up Look at Gemstones of Ancient Egypt - Show and Tell” by Derek Yoost
23:54
Geology of the Oregon Cascades: a lapillistone deposit -- with Doug Robbins
45:38
A bit of adventure in Iceland, island of fire and ice, with Dan Teich
01:15:43
Chesapeake Bay Impact Crater & Its Blasted Fossils - Dr. Lucy Edwards
01:28:07
Hardrock Mining in Montana with Garrett Smith
37:10
Minerals of Cornwall, England, by Martin Held
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About
Are you curious about the world under your feet and its 4,000+ minerals? Our monthly programs offer lots of ways to explore minerals and earth sciences – for everyone from the newly curious to rockhounds, professional mineral scientists, mineral collectors, and long-time enthusiasts. We’re the Mineralogical Society of the District of Columbia. Since 1942, we’ve been meeting at the Smithsonian Museum of Natural History in Washington, DC… and now on Zoom.
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