Explore / North America / Colorado
Colorado
Ruby Mountain (Nathrop), CO
Gem locality Source-confirmed findsGray area
What you could find
Reported finds from this ground.
Crystals and mineralsAlso reported: apache tears (obsidian), hematite.
Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
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Why this spot
Rockhounding locality: rhyolite flow with lithophysae and gas cavities
Long-established public collecting spot for topaz and spessartine garnet, documented in many Colorado guides.View source →
Before you go
Hazards noted for this site.
Loose rhyolite slopesHot exposed digging
Keep exploring nearby
More spots in this area.