Monthly Meetings. 3rd. Tuesday at 7:00 pm. The American Legion Hall Plano Rd Dallas, TX

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1 RokTok..Feb., 2015 Photo by Bill Henderson Look What s Inside 2. Notes to all members 3. Classes, Presentations, and opportunity 4. Sunshine and Rain Report 5.

Tumbling Contest Event Flyers 13. Lost Giants and Houston Event Flyers 14. Area Clubs and Maps PROGRAM FOR MEETING You will have To come and See!

1 1 RokTok..Feb., 2015 Photo by Bill Henderson Look What s Inside 2. Notes to all members 3. Classes, Presentations, and opportunity 4. Sunshine and Rain Report 5. January Presentations By Christine Gunter 6. Tips and information 7. Amazing Minerals 8. February Calendar 9. February Birth Stones 10. Texas Show Schedule 11. STEM Fair Event Flyers 12. Tumbling Contest Event Flyers 13. Lost Giants and Houston Event Flyers 14. Area Clubs and Maps PROGRAM FOR MEETING You will have To come and See! Our Purpose The Dallas Gem and Mineral Society is organized to promote 1. Interest, knowledge, and skill in the lapidary arts and in the art of metalworking (embodying the use of polished gems and minerals when appropriate). 2. Interest in the collecting and study of rocks and minerals to increase knowledge of geology and related earth sciences. T h i s includes the holding of an annual show, cooperation, the sharing of common interests and a better understanding of the activities of the members. Cub officers for 2014 President - Harold Bowers 1st VP (Programs) - Jim Senseman 2nd VP (Shop) - David Pirnie Treasurer - Jack Sorrow Secretary Burt Breedlove 6th Board Member - Mike Russell Monthly Meetings 3rd. Tuesday at 7:00 pm. The American Legion Hall Plano Rd. 105 Dallas, TX Lapidary Workshop Hours Lapidary Workshop Hours Open Shop: Mon. & Thur. 6: 9: PM Sat. 8:00 AM 1:00 PM

2 2 MEMBERSHIP HAS ITS PRIVILEGES We are attempting to update all our records. ( , address, phone numbers.etc.). Therefore we are requiring all members to fill out a fresh MEMBERSHIP APPLICATION. A copy of the Membership Application can be found on the DALLAS GEM AND MINERAL web page under the membership page. It look like: DGMS MEMBERSHIP APPLICTION Or follow the the web address: Rules for use of shop equipment The lapidary shop is to be used only by CURRENTLY PAID MEMBERS of DGMS. Shop Equipment is only to used when the SHOP SUPERINTENDANT IS ON SITE. You may use only those tools for which you have been CERTIFIED IN THE QUALIFYING CLASS. From the January meeting

3 3 The DGMS offers several craft and learning opportunities for members and guests. Among the classes and presentation are the following BEADING: Basic bead making and display. BASIC ROCKHOUNDING: When, where, and how to find minerals. CHAIN MAIL: Producing chain mail for jewelry. FACETING: Use of flat lap to produce faceted stones and crystals. FOSSIL HUNTING: Where to hunt and identify fossils. JEWELRY DESIGN: Basic planning and producing jewelry KNAPPING: The process used to make flint knifes, arrowheads, and ancient tools. METAL CLAY: Use of metal clays to form silver, gold, copper and bronze jewelry. METAL CASTING: Steps and process involved in metal casting jewelry. MINERAL IDENTIFICATION: Basic and advanced mineral identification processes and resources. SHOP QUALIFICATION: To give you a chance to use shop tools to cut and produce cabochons and other polished stones SILVER SMITHING: Basic metal Smithing for applique silver jewelry. SPECIMEN PREP: Cleaning, polishing, preparation of stone and fossils for display TUMBLING: Basic tip and techniques for mechanical stone polishing WIRE WRAP: Beginning, intermediate and advanced class in wire wrapping jewelry. If you have an interest in a learning, teaching a class or presenting in a meeting or if you have a new subject that might be of interest to DGMS please let it be known by contacting our secretary Bert Breedlove burt.breedlove@yahoo.com Announcement of an opportunity of interest Ron Ford, , looking for Texas Star Cut gemstones. He buys gemstones with the Texas Star Cut, sets them in Sterling Silver and sells them on ebay. He likes the stones of 8 mm to 10 mm size.

4 4 Sunshine and Rain Report February Sunshine Birthdays Maria Malloy Feb 2 Jack Spinks Feb 2 Shauna Young Feb 2 Margaret Ortolani Feb 3 Burt Breedlove Feb 5 April Warner Feb 6 Debra Lindsey Feb 20

5 5 Rock Presentation at Montessori School in Allen By Christine Gunter Gerald asked me if I'd like to do a presentation for a Montessori school in Allen and I said yes. I corresponded with the teacher after she got my out of her spam, and we set up a day and time and she told me it would be grades 1-5. I was a little nervous about that age group as I have no experience with elementary age students, but I thought I might be able to pull it off. Gerald had also given me a flash drive with some beautiful pictures on it and a lovely slide show, but I felt like that wouldn't be 'hands on' enough for that age group, so I went Old School. I set up in the gym/ auditorium where there was a low stage where I could set up some rocks there and stand and talk to the kids. Gerald had also provided me with some rocks that fluoresced and the light to show that. They just loved that. I thought they'd have trouble with the big words, like igneous and metamorphic, but surprisingly, they already knew all about that, even the youngest ones, so I moved right on to talking about hunting for rocks, and explained the process of finding the rock, to cutting it, to producing a slab and then a finished product. I had examples of each step to show them. I wanted them to know that rock hunting is really fun and a great family activity that anyone can do anywhere. And that you never know what's inside till you cut it open. We talked about how the earth was constantly changing, how the continents used to be connected but over time and because of weather or other events, things changed dramatically over millions of years and what was once below the surface was no way up on top of the mountains or had gotten washed down from the mountains to the plains. How areas that are now deserts used to be oceans, or how we find petrified forests in areas that are now deserts. I had some samples of petrified wood to show them too. Then they started asking me all kinds of questions! Little hands flying up in the air! I was able to answer most of them and if I couldn't or if it was going to be complicated, I suggested they put that on their list of things to research at home or in computer class later on. I had the good big book from the club, and showed them pictures of the Hope Diamond and some other spectacular things, like the malachite columns, and told them how thousands of years ago, Alexandria in Egypt had columns made of that, and lapis and ivory too and how beautiful it must have been. I asked if any of them had been to the Perot Science Museum and if not, that they should go there as they have a really fantastic gem and mineral section. I also invited them to come to our show and I hope to remember to send them some passes for that next November. Then I invited them to come up in small groups and have a closer look at the rocks I'd brought. I wanted them to hold them and see them as they were when they were found, and then see how they felt after being cut and then how they felt and looked after polishing. They really had fun and were very interested too. David provided me with a little bag of the tumbled rocks so I asked their teachers to hand those out to them. She said it would be like 'trading cards' for a few days! I just loved that. I hope my presentation and those little tumbled rocks spark a lifelong curiosity and interest into the fun world of rock collecting and that they went home and told their parents all about it and that the next time they're on holiday, they take a little time to go see what they can find.

6 6 IF YOU ARE GOING TO SOLDER METAL YOU ARE GOING TO HAVE TO USE GAS Properties of Fuel Gases Low-Pressure (LP) Gases: propane, MAPP, butane, natural gas High Pressure (HP) Gases: acetylene, hydrogen Please Note: Figures in the table below are approximate Chemical Fuel Formula Special Characteristics Boiling Point Specific Gravity Flame Temp. with Oxygen Flame Temp with Atmos- Avg. BTU per cu. ft Natural gas * Burns clean; economical to use; low pressure F 3500 F 1050 Acetylene C 2 H 2 temperature; Highest flame; most popular -130 F/ -90 C F 4770 F 1450 Propane C 3 H 8 Burns clean; economical to F/ -42 C F 3590 F 2200 Hydrogen H 2 High heat; cleaner than F/ -253 C F 4010 F 300 Butane** C 4 H 10 available in Low heat; F/ -35 C F 3590 F 3200 MAP-Pro C 3 H 4 portable con- Somewhat concentrated hightemperature F 3600 F 2300 *Typical analysis: methane 83.4%, ethane 15.8%, nitrogen 0.8% **Hand-held butane torches can produce higher temperatures than those listed. SOURCE: RIO GRANDE WEB SITE

7 AMAZING MINERALS by Dan Costian COLORED QUARTZ 1 - Slice of yellow-green stalactite of cactus quartz (Germany); 2 - White and green star quartz (Madagascar); 3 - Smoky quartz (China); 4 - Lemon

7 7 AMAZING MINERALS by Dan Costian COLORED QUARTZ 1 - Slice of yellow-green stalactite of cactus quartz (Germany); 2 - White and green star quartz (Madagascar); 3 - Smoky quartz (China); 4 - Lemon citrine quartz (Brazil); 5 - Smoky ametrine (amethyst-citrine) quartz (Bolivia); 6 - Points of starburst amethyst quartz (China); 7 - Chevron zoned phantom amethyst quartz (Mexico); 8 - Slice of cactus double stalactite of amethyst quartz (Uruguay); 9 - Cross-cut of cathedral chalcedony coated with amethyst (Uruguay).

8 8 February 2015 Sun Mon Tue Wed Thu Fri Sat Shop 6 7 8am-1pm DGMS Monthly Meeting 7pm- VALINTINES DAY 8am-1pm Board Meeting 8am-1pm 8am-1pm

9 February Birthstones Source: http://www.americangemsociety.

Greeks and Romans to ward off the intoxicating powers of Bacchus, also is said

Throughout history, the gemstone has been associated with many myths, legends,

English regalia were even decorated with amethysts during the Middle Ages to

9 9 February Birthstones Source: Amethyst Amethyst, the gemstone believed by ancient Greeks and Romans to ward off the intoxicating powers of Bacchus, also is said to keep the wearer clear-headed and quick-witted. Throughout history, the gemstone has been associated with many myths, legends, religions, and numerous cultures. English regalia were even decorated with amethysts during the Middle Ages to symbolize royalty. It has been associated with many myths, legends, religions, and numerous cultures. Amethyst is purple quartz, a beautiful blend of violet and red that can found in

10 Gem and Minerals Shows Around an Near Texas From The Hounds Tale of ARLINGTON GEM AND MINERAL CLUB March 21-22 2015 San Antonio, TX Southwest Gem &

Alpine, TX Chihuahua Gem & Mineral Society May 2-3 2015 Waco, TX Waco Gem & Mineral Club May 2-3 2015 Lubbock, TX Lubbock Gem & Mineral Society May 23-24

LA Gem & Mineral Society August 15-16 2015 Bossier City, LA Ark-LA-Tex Gem & Mineral Society August 22-23 2015 Jasper, TX Pine Country Gem & Mineral Society

10 10 Gem and Minerals Shows Around an Near Texas From The Hounds Tale of ARLINGTON GEM AND MINERAL CLUB March San Antonio, TX Southwest Gem & Mineral Society March Ada, OK Ada Gem, Mineral & Fossil Club April Abilene, TX Central Texas Gem & Mineral Society April Alpine, TX Chihuahua Gem & Mineral Society May Waco, TX Waco Gem & Mineral Club May Lubbock, TX Lubbock Gem & Mineral Society May Fort Worth, TX Fort Worth Gem & Mineral Society June Grapevine, TX Arlington Gem & Mineral Club August Baton Rouge, LA Baton Rouge, LA Gem & Mineral Society August Bossier City, LA Ark-LA-Tex Gem & Mineral Society August Jasper, TX Pine Country Gem & Mineral Society October Temple, TX Tri-City Gem & Mineral Society October Austin, TX 2015 AFMS/SCFMS SHOW November Mesquite, TX Dallas Gem & Mineral Society

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12 12 Do you Tumble? Worldwide Tumbling Contest Learn more on our website: Entry fee is $30 which includes shipping of 3 lbs. of rough rock. Application must be submitted by June 1. Return 5 of your best tumbled rocks 2015 Rock is Obsidian from northern California! Prizes: 1st place = $250 2nd place = $100

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14 TO: Dallas Gem and Mineral Society PO Box 742033 Dallas, TX 75374-2033 Shop Phone (214)349-2022 LOCAL CLUBS AND SOCIETIES Arlington G&M Club, 1408 Gibbons, Arlington, 1st Tuesday, at 7:30 pm

14 14 TO: Dallas Gem and Mineral Society PO Box Dallas, TX Shop Phone (214) LOCAL CLUBS AND SOCIETIES Arlington G&M Club, 1408 Gibbons, Arlington, 1st Tuesday, at 7:30 pm Cowtown Gem, Mineral & Glass Club, 3300 Bryant-Irving Road, Ft Worth, 2nd Tues., at 7:00 pm Dallas Bead Society, address pending, 3rd Thursday at 7:30 pm Dallas G&M Society, Plano Rd, off of Plano Rd, Dallas, 3rd Tuesday, at 7:00 pm Dallas Paleo Society, EMGI (Bldg H, Brookhaven College, 3939 Valley View Ln), 2nd Wednesday at 7:30 pm Fort Worth Gem & Mineral Club, 3545 Bryan Avenue, Fort Worth, 4th Tuesday at 7:30 pm Lockheed-Martin Stone Steppers, 3400 Bryant-Irving Road, Fort Worth, 2nd Tuesday at 7:30 pm Oak Cliff G&M Soc., So. Hampton Community Hospital, 2929 S. Hampton Rd, Dallas, 4th Tuesday at 7:00 pm Meeting Date and Location Third Tuesday each month at 7:00 PM at the American Legion Hall next to the shop off Plano Rd. (see map) Member of South Central Federation of Mineral Societies Affiliated With American Federation of Mineral Societies For members of DGMS only, The Rok Tok will Gladly announce your rock showings at art shows, museums, or libraries, etc.,

ROKTOK - JULY DGMS prepares for its 60th gem show this year! The DGMS s purposes are to promote:

ROKTOK - JULY DGMS prepares for its 60th gem show this year! The DGMS s purposes are to promote: ROKTOK - JULY 2017 DGMS prepares for its 60th gem show this year! The DGMS s purposes are to promote: 1. Interest, knowledge, lapidary art skills, and metal-working (embodying the use of polished gems