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Jim Robison's Home Page

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Registered member since 15th Sep 2007
I've been collecting now for over 60 years. First specimen wasn't one mineral, it was a rock (granite) but it sparkled. A friend of my father told me how it formed, and I was hooked. He mentored me for five years, teaching me some botany along the way. Truth be told, I pestered him after school, and he was gracious and patient enough to become a good friend

Some years later, after belonging to several clubs and collecting at a large number of Southern California sites, I was offered a small mining engineering scholarship at the Missouri School of Mines. Had to look up mining in a dictionary. One of my local club collecting friends was a mineralogist at Standard Oil. He advised I give mining a go, as it would with a strong geology background multiply my job possibilities. My earlier plans to become a mineralogist went by the by, and a Bachelor's in Mining and Master's in Geological Engineering followed. I loaded up on all the geology courses I could take. Where I could, collected at the mines I worked at, but sadly more time was spent in coal and sand/gravel than the interesting stuff. I know more about mining permits than any rational person should be burdened with.

After a long quiet spell, became a serious collector again in the early 80's, and by 1988 I was a confirmed carbonate freak. Sixty plus species and 1200 specimens later, I became more focused. First on Smithsonite in general, and then Smithsonite solely from Tsumeb. Also got hooked on Dolomite from Tsumeb, especially casts. A small group of the other Tsumeb carbonates rounds out the main collection.

The collection is now gone. Illness and a pending move and serious downsizing led me in early 2016 to disburse the collection, and put it into the hands of the next generation of collectors.

My focus is on color, morphology, and associations. And while I had many lovely display rocks, many were in the drawers because they were just plain good Tsumeb rocks. With over 600 Smithsonite and Dolomite specimens, including 150 casts, there was no lack of interesting things to study and contemplate. The endless variety of Smithsonite variations from Tsumeb is truly a wonder. My wife asked me some years back when I would stop acquiring pieces. I told her I would quit when there was nothing new to add. She has finally caught on to the fact that for Tsumeb, there will always be something new.

Messaging Statistics

Total messages posted:245
New threads started:30
First message posted:31st Jul 2008
Latest message posted:18th Sep 2016

My Latest Discussions and Replies

3hBest photographs of specimens larger than 1cmPosted by Rudolf Hasler. 507 replies in Mineral Photography.2wPseudomorphsPosted by Rolf Luetcke. 470 replies in General.8wThe Nature ThreadPosted by David Bernstein. 1023 replies.11wGail's NEW favourite of the day, PART 2Posted by Jolyon Ralph. 1911 replies in General.Mar 2019A few worries about photos...Posted by Jonelle DeFelice. 15 replies in How to Contribute.Nov 2018K2Posted by Steve Hardinger. 242 replies in General.Jul 2017The best accepted ways to give specimen measurementsPosted by Bob Harman. 4 replies in General.Jul 2017Storing beach stream bed rolled quartz varieties from dehydratingPosted by Michael Harwell. 13 replies in General.Jul 2017Help identifying this yellow mineralPosted by Brian Greenstone. 12 replies in Identity Help.Jul 2017Mineral PhotographyPosted by Volker Betz. 10 replies to an article.Jul 2017Brand new to site! Hoping for some helpful information!Posted by cheryl coen. 5 replies in General.Jun 2017Built-in Display Cases and LightingPosted by Denise Bicknell. 31 replies in General.Mar 2017Otavite best analysis methodPosted by Jim Robison. 6 replies in Identity Help.Feb 2017Pyrite SunPosted by Dennis Tryon. 7 replies in Techniques for Collectors.Jan 2017Smithsonite, cobaltoan versus manganoanPosted by Paul De Bondt. 61 replies in General.Jan 2017What are YOUR priorities for mindat in 2017?Posted by Jolyon Ralph. 119 replies in General.Jan 2017message use changePosted by Jim Robison. 7 replies in General.Dec 2016On the shipping costs...Posted by Luís Martins. 12 replies in General.Dec 2016Smithsonite Color Papers NeededPosted by Jim Robison. One reply in Improving 2016General observations on smithsonitesPosted by Paul De Bondt. 12 replies in General.

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