"Rockzette" Tea Tree Gully Gem & Mineral Club News
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Tea Tree Gully Gem & Mineral Club Inc. (TTGGMC) Aug Clubrooms: Old Tea Tree Gully School, Dowding Terrace, Tea Tree Gully, SA 5091. Edition Postal Address: Po Box 40, St Agnes, SA 5097. 2014 President: Ian Everard. Mobile: 0417 859 443 Email: [email protected] Secretary: Claudia Gill. Email: [email protected] Treasurer: Russell Fischer. Email: [email protected] "Rockzette" Tea Tree Gully Gem & Mineral Club News In this edition... President's Report Meetings, Courses & Fees. Diary Dates Hi All, Meetings Stop Press Just to let you know, I have received the all Club meetings are held on the 1st Thursday of clear after my operation. each month except January: President's Report. I know it's still five months 'til Christmas, but Committee meetings start at 7.00 pm. General Club Activities. it's time to start thinking about and planning meetings - arrive at 7.30 pm for 8.00 pm start. Meetings, Courses & Fees. our Christmas Party for 2014. Suggestions Faceting (times to be advised) wanted. Also, we need to start planning for our Mineral Matters - Copper (South Australian Course 10 weeks x 2 hours Cost $20.00. Exhibition in 2015. Please give it some focus) Use of equipment $1.00 per hour. thought. General Interest Regards, Lapidary (Tuesday - Wednesday mornings) Members Notice Board. Ian. Course 5 weeks x 2 hours Cost $10.00. Use of equipment $1.00 per hour. Useful Internet Links Club Activities Silver Craft (Friday - Wednesday mornings) Diary Dates Competitions Course 5 weeks x 2 hours Cost $20.00. Competitions have been suspended indefinitely Use of equipment $1.00 per hour. August 30th & 31st 2014. Enfield Gem and and are currently replaced with members While some consumable materials are supplied Mineral Club Open Day at the Enfield showcasing an interesting part of their by the club, trainees must supply any additional Community Centre, 540 Regency Road, SA. collection. requirements. October 3rd, 4th & 5th 2014. The Broken Field Trips Hill Mineral Club "Rock-on Gem and October 3rd to 5th 2014: The Broken Hill Trainees who use the club equipment (for Mineral Show", Penrose Park, Silverton, Mineral Club "Rock-on Gem and Mineral example, magnifying head pieces, faceting NSW. Show", Penrose Park, Silverton, NSW. equipment, tools, etc.) must return them to the th th workshop after usage. Trainees are also October 11th & 12th 2014. Adelaide Gem October 6 to 13 2014: Bush camping and encouraged to purchase and use their own and Mineral Club Exhibition. fossicking for gypsum specimens, Woolcunda Station, NSW. equipment. November 1st & 2nd 2014. Southern Rock- hounds Gem and Craft Fair, at the "Log Library In the interest of providing a safe working Cabin" 17 Gerald Ct., Christie Down, SA. Librarian - Augie Gray environment, it is necessary to ensure There is a 2 month limit on borrowed items. individuals using the workshops follow the March 21st & 22nd 2015. Canberra Outdoor When borrowing from the lending library, fill rules set out in Policy No. 1 - 20/11/2006. Rock Swap, EPIC, Canberra, ACT. out the card at the back of the item, then place It is necessary that Health and Safety April 3rd, 4th, 5th & 6th 2015. National the card in the box on the shelf. regulations are adhered to at all times. Gemboree, Horsham, VIC. When returning items, fill in the return date on the card, then place the card at the back of the Trainees must ensure: Stop Press item. that all work stations are left in a clean and tidy state; Silver Craft Birthday: Our next meeting is deemed to be that all rubbish is removed and placed in the Friday mornings - 9 am to 12 noon. Cost $20 the club's birthday meeting - please bring appropriate bin; for new short course attendees. All are supper to share and celebrate the event. and where applicable, machines are cleaned welcome. Wanted - The faceting group occasionally and oiled. has members wishing to buy a 2nd hand Tuesday Craft Tuesday mornings - 11 am to 2.30 pm The Tea Tree Gully Gem & Mineral Club Inc. faceting machine & accessories. Could will not be held responsible or liable for any anyone with one not being used please Faceting, etc. All are welcome. Contact Doug 08 7120 2221 if you would like to learn person injured while using the club contact: Doug Walker 0871202221 or machinery or equipment. Russell Fischer 0417083227? faceting. Club Subscriptions The Tea Tree Gully Gem & Mineral Club Inc. is not and cannot be held $25.00 Family. responsible or liable for any personal injuries, loss or damage to property at any $20.00 Family/Pensioner. club activities, including, but not limited to, meetings, field trips, all crafts and $15.00 Single. annual shows. $15.00 Single/Pensioner. An indemnity is to be signed by all participants before each and every field trip $10.00 Joining Fee. activity they attend. Tea Tree Gully Gem & Mineral Club Incorporated, Old Tea Tree Gully School, Dowding Terrace, Tea Tree Gully, South Australia, 5091. Page 1 Mineral Matters - Copper (South Australian focus) Copper - Properties, mining and commercial Copper Bearing Minerals 340 000 t of copper (plus 1.7 t of gold and 17 t use. Mineral Name - Formula - % Copper when pure of silver) remained unchallenged and still "Copper Cu Azurite - 2CuCO3·Cu(OH)2 - 55.1% constituted half of the State’s total output to Atomic number - 29 that time. Atomic mass - 63.546 g.mol -1 Bornite - 2Cu2S·CuS·FeS - 63.3% Electronegativity according to Pauling - 1.9 Chalcocite - Cu2S - 79.8% Then, in 1988, production commenced at Olympic Dam. It took only seven years to Density - 8.9 g.cm-3 at 20°C Chrysocolla - CuO·SiO2·2H2O -37.9% Melting point - 1083 °C eclipse Moonta–Wallaroo’s total, and a further Covellite - CuS -66.5% Boiling point - 2595 °C four years to exceed all prior production in the Vanderwaals radius - 0.128 nm Cuprite - Cu2O -88.8% state. Ionic radius - 0.096 nm (+1) ; 0.069 nm (+3) Malachite - CuCO3•Cu(OH)2 - 57.3% This will now be replicated every three years Isotopes - 6 Chalcopyrite - CuFeS2 - 34.5% — it seems that the Copper Kingdom has a new Electronic shell - [ Ar ] 3d10 4s1 'Monster Mine'." Tetrahedrite - Cu3SbS3+ x(Fe,Zn)6Sb2S9 - Energy of first ionisation - 743.5 kJ.mol -1 Information extracted from: MESA Journal January 2003 Energy of second ionisation - 1946 kJ.mol -1 32–45% http://www.pir.sa.gov.au/__data/assets/pdf_file/0016/10906/mj28_cop Standard potential - + 0.522 V ( Cu+/ Cu ) ; + Information extracted from Wikipedia, the free per.pdf encyclopedia: http://en.wikipedia.org/wiki/List_of_copper_ores 0.345 V (Cu2+/ Cu ) Copper is a reddish metal with a face-centered South Australian focus cubic crystalline structure. It reflects red and "South Australia — ‘The Copper Kingdom’. orange light and absorbs other frequencies in the visible spectrum, due to its band structure, Copper was first discovered in South Australia so it as a nice reddish color. It is malleable, near Montacute in the Mount Lofty Ranges, 16 ductile, and an extremely good conductor of km east - northeast of Adelaide, in 1842. This both heat and electricity. It is softer than zinc had been preceded by the discovery and Copper is used in: and can be polished to a bright finish. It is development of Australia’s first metal mines the conduction of electricity - generators, found in group Ib of the periodic table, together (silver–lead) at nearby Glen Osmond in 1840– with silver and gold. Copper has low chemical 41. motors, electrical power and lighting reactivity. In moist air it slowly forms a fixtures, electrical wiring, radio and The small Montacute discovery was followed greenish surface film called patina; this coating television sets, computers and almost in rapid succession by much more substantial protects the metal from further attack." finds at Kapunda (1843), Burra (1845) and everything electrical Information extracted from: Water Treatment Callington–Kanmantoo (1846). The Bremer the conduction of heat - thin-walled copper Services - Lenntech. http://www.lenntech.com/periodic/elements/cu.htm#ixzz2v4cxWMsM Smelting Works, erected near Callington in tubing in air conditioning and refrigeration 1848, was Australia’s earliest commercial "Copper (Cu) has a cultural significance as it units, motor vehicle radiators, home smelter. was the first metal used by man (probably as heating systems, steam condensers, some early as 7000 BC). Neolithic man mined native By 1851, prior to the Victorian gold rush, kitchen pots and appliances, etc. copper and used it as a substitute for stone; its Burra was the largest inland population centre providing corrosion resistance - roofing malleability enabled easy shaping of tools by in Australia. It was producing 10% of the beating it. world’s copper and had become known as the (more so in the past), plumbing fittings, Copper was smelted as early as 3500 BC at 'Monster Mine', with South Australia known as water reticulation systems, automotive fuel Timna in Israel. Its property of alloying with the ‘Copper Kingdom’. Mining of the Wallaroo lines, sea water desalination plants and other metals (particularly tin) was discovered and Moonta fields on northern Yorke Peninsula hydraulic systems. commenced in 1860, and a myriad of smaller about 500 years later and heralded the Bronze providing timber preservation from borers Age, which started in southern Europe between copper mining ventures proliferated in the (copper naphthanate and copper chrome- 3000 and 2500 BC. Flinders Ranges up to the turn of the century. arsenate). Although the manufacture of bronze tools Burra closed in 1877 and Kapunda the largely fell into disuse with the onset of the following year, but Moonta–Wallaroo treatment - fungicide (copper sulphate). Iron Age about 1000 BC, copper continued to continued mining until 1923 and smelting to fertilisers (as trace element).