Art & Makers
Contra Costa Mineral & Gem Show 2026
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Public attendance announced — check current organizer details
CA public events · Concord public events
Concord, CA
Centre Concord
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5298 Clayton Road, Concord, CA 94521
America/Los Angeles · Event venue
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Upcoming public events
Nov 14 – Nov 15, 2026Contra Costa Mineral & Gem Show 2026Centre Concord · Concord, CAAdd to calendar
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This profile reflects our initial directory, not every booking. Resource link checked 2026-10-10.
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