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California

Crestmore Quarry, Riverside

Mineral locality Documented sitePermission required

What you could find

Reported finds from this ground.

Crystals and mineralsCrystals and minerals

Also reported: vesuvianite, wilkeite, rare calc-silicates.

Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).

Why this spot

Contact metamorphic skarn famous for a huge roster of rare calc-silicate species

Classic locality in mineralogical literature; access now only through arranged trips.

Before you go

Hazards noted for this site.

quarry walls, industrial traffic

Keep exploring nearby

More spots in this area.

Check access and collecting rules for each site.