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Lucerne Valley "Bugeye" Rhyolite


Type of material found

Rhyolite-Porphyry (Bugeye Rhyolite)

Description of material

Occurs as black, gray, yellow, cream, red and white porphyritic rhyolite. The freckled appearance has caused this material to be called "bugeye" rhyolite. It lies in float and ranges in size from small to good sized chunks. It is quite plentiful, so be selective and take only good quality pieces. Makes excellent bookends, spheres and cabochons.

Equipment needed

Rock pick

How to get there

From Victorville take Highway 18 to Lucerne Valley. Keep right and proceed 5 miles on Old Woman Springs Road (Highway 247).

Turn left onto Camp Rock Road and go 3.9 miles, then bear right and continue on graded Camp Rock Road another 9.1 miles. At this point, turn left onto fair dirt road and go about a mile.

The rhyolite is found in float over this aluvial fan up to the base of the mountain. It might be interesting to note that at the end of the road is the Grand View Gold Mine, which has been inactive since 1934. Free gold occurred in the silicified rhyolite. With a little luck, you may find a nice specimen of gold by breaking the rhyolite lying on the mine dump and keeping a sharp eye out for the free gold. It has been found!

Lucerne Valley "Bugeye" Rhyolite

Page content reproduced on High Desert Insider by permission from: Glenn Olson
Original Page Created: 25 Dec 97