The Tunnel to Nowhere

December’s educational field trip will be at 8AM on Saturday, December 18th to Shoemaker Canyon Road above Azusa.  We’ll be visiting the Tunnels to Nowhere, which were hewn out of solid granite in 1969.  These tunnels were built to provide an escape route out of LA in case of nuclear attack.  Now they sit vacant; a lone sentinel to times forgotten. 

This trip is suitable for any passenger car and is 31 miles from Pasadena.  The walk to tunnel is 2 miles with an elevation gain of 700 feet.   We’ll be on the lookout for various ores and minerals, but this is more an educational/nature walk rather than a collecting trip.  For more details, please contact Rex at rexch8@yahoo.com 

Tuesday, Nov. 16 Virtual Program Meeting Explores the Chixculub Impact Event with Paolo Sanchez; 7:00 p.m.

Pasadena Lapidary Society’s very own future geologist/geophysicist, Paolo Sanchez, will present “Traces of Extinction: The Search for Rocks and Minerals at Chixculub” for our November program meeting. For those wondering what the heck ‘Chixculub Impact Event’ is, think meteor meets dinosaurs. Paolo will present his current ongoing research examining tektites derived from Chixculub and what their respective chemistries tell us about the minerals and lithologies associated with the impact event, with the potential of understanding the lithology of the meteor itself.

Earlier this year, Paolo was awarded the California Federation of Mineralogical Societies’ (CFMS) Robert O. Deidrich Memorial Fund Scholarship for school year 2020-21. He’s been studying geosciences at UC Berkeley, working his way up to a PhD and possibly obtaining a career as a professional researcher.

There will be no Rock of the Month discussion for this meeting.

The Tuesday, Nov. 16 program meeting starts at 7:00 p.m. via Zoom. To join us, send an email to (new email address!)… marcia.pls.emails[at]gmail.com in advance, using ‘PROGRAM MEETING’ in subject line, and request the Zoom meeting link. We’re looking forward to seeing Paolo – and hope to see you virtually as well!

September 18 Field Trip to Palos Verdes for Agate and Glaucophane

Boy, is it hot outside! Nothing beats summertime rock collecting at the beach!

CHANGE IN DEPARTURE TIME! Our next trip will be at 10AM to Palos Verdes on Saturday, September 18th, 2021 to collect striped root beer agates, yellow agates, and bluish green glaucophane. For more information, please contact Sue D at: apple_pis@yahoo.com

Yellow Green Agate from Palos Verdes
Glaucophane from Palos Verdes

Pics above of striped root beer agate, yellow green agate, and glaucophane were provided by PLS member Rex N.

Lavic Siding February 13th, 2021

Miles from Pasadena, about a third of the way between Barstow and Needles, is the sleepy town of Ludlow, CA.  Most of the time, people never even notice it’s there, unaware that a well known jasper collecting area beckons in the blistering desert heat.  Such is Ludlow most of the year. 

Ludlow in the dead of winter is totally different. The ground is stripped of vegetation, blown away as tumbleweeds, or consumed by moisture-loving denizens of shifting desert sands.  The barren landscape causes the jasper to magically appear on the desert floor waiting for us to pick it up.  February’s trip will be on Saturday the 13th, to the renowned Lavic Railroad Siding jasper location near Ludlow, CA.  Our meetup spot is 148 miles from Pasadena.  We’ll meet there at 9 AM. Late arrivals will miss the fieldtrip. Read on for further information.

All colors, shapes, sizes of jaspers and agates cover the ground at Lavic Siding.

Since this is a semi-local trip, it will be for one day only.  We’ll explore the traditional Lavic Jasper collecting areas and the brindle jasper location in the foothills north of Ludlow.  

Red, ochre, brown, black… jaspers, agates… one in back has some drusy.. all found in the vicinity of Lavic Siding.

A high clearance vehicle is required for this trip, but 4wd is always better. Attendees will need to sign a waiver of liability.   RSVP is required.  Please email rexch8[at]yahoo.com for directions, inserting LAVIC FIELDTRIP in the subject field of your email.

Pasadena Lapidary Society Member Awarded Scholarship by CFMS

Pasadena Lapidary Society (PLS) is proud to announce that member Paolo Sanchez of Burbank has been awarded the California Federation of Mineralogical Societies’ (CFMS) Robert O. Deidrich Memorial Fund Scholarship for school year 2020-21.  This award was established some fifty years ago by the late Melba Deidrich in memory of her husband Robert.  The recipient of the $2,000 award must be an Earth Sciences major entering his/her junior or senior year at either UC Berkeley or Stanford University. Pasadena Lapidary Society is one of many member clubs in the CFMS.

Photo taken on Taal Volcano overlook in early January 2020, days before the Jan. 12 phreatomagnatic eruption that boiled off the crater lake in the immediate background and buried the entire surrounding area in ash.

As Filipino-Americans, Paolo’s parents Debbie and Ferdie trained and worked hard to establish themselves in the U.S.’s medical industry, and through their dedication and experience—as well as wonderful support from his older brother Joshua and younger sister Danielle—Paolo has been able to obtain a first-generation, U.S.-college education at UC Berkeley. With this he plans to continue his passion in the geosciences, working his way up to a PhD and possibly obtaining a career as a professional researcher.  He is in his third year of double majoring in geology and geophysics and is developing a research project involving the chemistry of molten glasses (tektites) formed during the meteor impact that killed the dinosaurs (a.k.a. the K-Pg Impact) 66 million years ago.

Paolo became interested in Earth Sciences as a kindergartener, developing an affinity for rockhounding through the years by reading geology field books and old textbooks, then applying that knowledge in the domain. He joined PLS as a Junior member at the age of 12 and since then he has given lectures about geology at PLS’ monthly program meetings, led educational rock and mineral identification seminars, and authored/coauthored numerous geological and mineralogical articles in the monthly PLS newsletter Rockhound Ramblings, among numerous invaluable contributions he has made to the Club. As part of Pasadena Lapidary Society’s community outreach, Paolo has taught basic geoscience to local elementary school students, along with providing hands-on teaching techniques with self-collected rock and mineral specimens.

Paolo in the San Gabriel Mountains

Prior to UC Berkeley, Paolo interned at Cal State Northridge for a year, doing research for the Geological Sciences Department.  At present he is a Research Assistant at both the Berkeley Geochronology Center and at the UC Berkeley Earth and Planetary Sciences Dept.  Paolo is also an editor and contributor to the popular non-commercial online mineralogical database mindat.org.

Along with his family, Pasadena Lapidary Society shares great pride in Paolo’s accomplishments, congratulates him at winning this prestigious award, and wishes him much success in his future endeavors.

The California Federation of Mineralogical Societies represents over 100 gem and rockhound clubs statewide, as well as a few clubs in Nevada and Arizona.  Visit cfmsinc.org for further information.

Christmas Tree Agate

We couldn’t resist sharing pics of Christmas Tree Agate, found by a member of Pasadena Lapidary Society while out visiting the Southern Cady Mountains/Lavic Siding area.


North Cadys Fieldtrip; Nov. 27-29, 2020

PLS Members visited one of our favorite spots for gemstones in the North Cady Mountains, about three hours northeast of Pasadena, over Thanksgiving weekend.

The Cady Mountains have produced more gemstones than almost any other Southern California location and we explored the northern part of the range, looking for jasper, agate, fluorite, calcite, and amethyst in places where few rock hounds go. You can join us in the Cadys sometime in the future, by becoming a member of Pasadena Lapidary Society. Check out the photos below to see some of our finds.

Black and blue agate

Blue agate

Botryoidal blue agate

Jasper agate

Calcite with fluorite

Mud tube agate

Orbicular red jasper

Top notch agate