The Newsletter of the Huachuca Mineral and Gem Club, Inc. 
P.O. Box 1596, Sierra Vista, AZ 85635-1596
Web site: 
 July 2017




Meet at 11:30 a.m. for set up, feasting starts at noon

HMGC will provide the baked or fried chicken and the beverages. Members will supply a side dish to share, as well as their own table ware and dishes. Might want a lawn chair, too.


Business meeting first Wednesday each month, Sierra Vista Public Library Conference Room,

Silent auction: if you have a specimen you would like to donate for the auction, please donate it. The money raised goes to the education fund.

5:00 p.m. Members welcome.


General Membership meeting third Wednesday each month, 7:00 p.m., Conference Room, Cochise College Library, Sierra Vista

Come have a good time, meet newer members and greet "old-timers", and hear about new programs.

Call Sandy Bates at 378-4468 if you are attending – she needs a count for the amount of chicken to order.

Club field trips generally the Saturday after the club meeting, to be announced



President……………Ron Brooks ………… 378-2592

1st Vice-President ..... Dave Dechant ………. 458-8088

2nd Vice-President .…Olivia Cantrell ………378-7923

Secretary ………….. Shelly Cantrell ……… 508-7923

Treasurer ……….… Glenn Bailey …..….…378-6291

Member-at-Large …. Marty Keller ……....…803-0667


Library ……….…Tom & Myra Rogers …... 803-6547

Newsletter ………Ingrid Baillie ……………459-3718

Education/History.. Maudie Bailey …………. 378-6291

Ingrid Baillie ……….… 459-3718

Marty Keller …………... 803-0667

Programs ………....

Membership ….… Ingrid Baillie..…………. 459-3718

Show ……………. Maudie Bailey …………. 378-6291

Trips …………….. Maudie Bailey ………… 378-6291

Social …………… Sandy Bates ……………. 378-4468

Scholarships ….…. Dave Dechant …….....…458-8088

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The monthly business meeting was called to order at 5:07 p.m. Wednesday, July 5 by President Ron Brooks. Also present were Marty Keller, Sandy Bates, Ingrid Baillie, Maudie Bailey.

Maudie presented the June treasurer’s report and reported that the Conex has been sold for $2,000. She said that Glenn has offered to get new tires for the trailer, will try to get them one at a time.

Discussed the picnic. Sandy needs an updated roster so she can call newer members.

Ron said there will be no field trip in July.

Ron and Maudie have not yet seen a paper copy of the club’s insurance form yet.

Geode cutting: Marty said he will hold a training for anyone who is interested on August 26 at 9:00 a.m. at his house.

Ron discussed the Junior Rockhounds Program. An article will be put in the newspaper to create interest in the program. We will also have a display about the program at the show. Ron showed the first patches kids can earn.

New Business:

Maudie said she can make vests for the Junior Rockhounds, using material the club has.

Ron reported that the field trip this month was attended by 14 people at the Luna Mountain hunting site. It was decided to return next year.

Ingrid Baillie, temporary secretary



From Arizona Daily Star, June 8, 2017 by Malcolm Ritter

Human bones, approximately 300,000 years old, were unearthed in Morocco, thousands of miles away from the previous record-holder, in fossil-rich eastern Africa. These newly-discovered fossils show a mix of modern and more primitive traits. One of the scientists said that one might be able to see the face in modern times, but they are not just like modern humans.

The Moroccan fossils suggest that Homo sapiens may have reached its modern day form in more than one place within Africa. Previously, the oldest known fossils clearly from Homo sapiens were from Ethiopia, at about 195,000 years old.

"It’s not clear just when or where Homo sapiens came on the scene in Africa. Jean-Jacques Hublin (of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, and the College of France in Paris) said he thinks an earlier stage of development preceded the one revealed by his team’s discovery.

We evolved from predecessors who had differently-shaped skulls and often heavier builds, but were otherwise more like us than, say, the ape-men that came before them. Our species lived at the same time as some related ones, like Neanderthals, but only we survive…

"The Moroccan specimens were found between 2007 and 2011 and include a skull, a jaw and teeth, along with stone tools. Combined with other bones that were found there decades ago but not correctly dated, the fossil collection represents at least five people, including young adults, an adolescent, and a child of around 8 years old. Analysis shows their brain shape was more elongated than what people have today.

Hublin contends that the main story in human development is the change of the brain.

"When these ancient people lived, the site in Morocco was a cave that might have served as a hunting camp, where people butchered and at gazelles and other prey. They used fire and their tools were made of flint from about 25 miles away."



HMGC has two new members – Peggy and Robert McBride, of 7745 S. Barataria, Sierra Vista. Their phone is 520-732-2118, and their e-mail is grouchygrandma200@yahoo.com. Welcome to the club, Peggy and Robert.



A very happy birthday to all who become officially older this month. They include: Tom Rogers and Robert McBride, and anyone else who has reason to celebrate this month.



FANCY RIVET HEADS: For a nice-looking rivet head, use brass escutcheon pins. You’ll have perfectly rounded heads that are all the same size 3

and shape. The pins are a little hard to find, so try the best hardware stores first. Be sure to get solid brass pins, not brass plated steel. If unsure, test them with a magnet.

The pins are available online. Lee Valley Tools has them in 14 to 18 gauge and lengths from ¼ inch to 1 inch. Go to http://www.LeeValley.com (http://www.LeeValley.com) and do an item search on "brass escutcheon pin".

For best results, select a drill that gives you a hole with a close fit to the rivet. Trim the rivet to leave a little less than one diameter sticking out the back side. Place the head on a scrap of hard plastic on the anvil so as to not flatten the head. I prefer a ball peen hammer (with a small 3/8" ball) for setting the rivet.

EASIER PRONG SETTING: When setting stones in a prong mount, the tool is less likely to slip off the prong if you grind a groove into its face or rough up the face a bit with sandpaper. Some folks prefer a prong pusher for doing this, and others like a set of pliers.

The easiest way to create a slot on the pusher is with a file, and the easiest way to create a slot on one jaw of your pliers is with a cutoff wheel. Then rough polish the slot with a medium grit, knife-edge silicone wheel.

From Bench Tips by Brad Smith, amazon.com/author/bradfordsmith



Excelsior Mining’s Johnson Camp Mine is set to go into production soon, with all their ducks in order. This is not slated to be an open-pit, unsightly mine, but will be an in-situ recovery project. This mine is considered feasible because it is in the copper porphyry zone, an extensive area in Arizona. The following picture, taken from the Excelsior (Gunnison) Mine Web site, shows the mine’s location.

There will be no open-pit mining, just drilling down below the water table to extract the copper from the porphyry. The company writes that there would be minimal damage to the landscape, and, when the copper runs out, the drill shafts would be pulled out and things would not look any different than before the work started.

The company’s home office is in Vancouver, Canada, but an office exists in Phoenix. If enough members are interested, we can ask a representative to talk at our September or October meeting.







***JULY 23.***



***at 378-4468***

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