This is the sixth installment in a series of articles detailing my recent rock-collecting trip. You may want to read my articles #’s 1-5, and start at the beginning of the story. The story begins in Pittsburgh, Pa, takes you to and through North Carolina ending in Arkansas. We traveled over three thousand miles in a two-week period in August of 2011.According to Google Maps, it is over 700 miles and a 12-hour drive from where we were stayin..

Have you ever wondered what combination of crystal forms were needed to create those unique pyrite crystals? What about other minerals in the isometric system? Below are some combinations of 2 and 3 isometric crystal forms that should help you interpret some complex crystals and assign the proper faces (I made each series using KRISTALL2000).Pyritohedron - Octahedron Crystal CombosPyritohedron - Cube Crystal CombosOctahedron - Cube Crystal Combos..

I am not an expert on minerals. I‘m just a collector minerals and amateur photograph.But I‘m always surprised by what nature can create.Very much like agate and photograph the details I would like to introduce in this block and showed what can made only Mother Nature.Gradually I will this block to expand to other interesting photos.Here you not find mineralogical or technical terminology at the professional level.For some collectors may be only..

A quick photo report of last weekend‘s mineral show at Haywards Heath organized by the Sussex Mineral and Lapidary Society (SMLS)The main hall at the showThe mindat.org table. Selling some unwanted minerals and promoting the conference.Crystal Classics cabinets at the showDiana Schlegel from Crystal ClassicsBornite on Blister Copper from Cornwall, Crystal Classics specimenAzurite from New Mexico - Crystal Classics specimenLibethenite from Zambia..

I went to the Munich Mineral Show this October 2011, but the Show was only a fraction of my total trip, so I didn‘t title this article “Munich Show.“ From my viewpoint as a first time attendee, there were three notable things I saw at the MunichLeft: Hall A6 of the Munich Show. Right: I‘m the only one from the US in this photo at the Show: not many adult Germans wear running shoes.Show: everything is in one location, there was a section where..

Using as references, Molybdenum Deposits of Ontario by F. J. Johnson, 1968, Mineral Occurrences in the Haliburton Area by J. Satterly, 1943, Annual Report Volume dated 1918 of the Ontario Dept. of Mines, Sabina’s Rocks and Minerals, Report 39, and my own personal story, I would like to offer you, the reader, a little incite into molybdenum and three of many mines that produced some of the ore in Monmouth Township, Haliburton County. This ar..

It is not surprising given the complex and esoteric nature of the subject that many works, ranging in style from philosophical to scientific, have been published over the years on the mineral specimen marketplace and the factors affecting it. The modern well-read mineralogical connoisseur can likely quote works ranging from George L. English’s early twentieth century attempt at a scientific appraisal of specimen pricing factors [“The ..

The photos have been removed from the locality pages, but they are still in the Mindat database, as part of the personal galleries.Click on them to get to the full description.146167146158146159146163146165146168146170153370226348258643258644258652261928296193

I‘m back in Tucson again for another year, and finally have time to write my first report.John White was sitting outside the Inn Suites, it was so sunny that only tourmaline provided sufficient eye protection. These glasses were custom made by Naiomi Hinds.A large find of ‘fossilised bamboo‘ - or chalcedony - from Indonesia was on display at the Pueblo Gem and Mineral show. I‘ve no idea if the stated origin is genuine, but it seems suspicious..

A view of the quarryAbout 200 million years ago the region where today is located the beautiful fishing village of Sesimbra was invaded by sea arms originating large lagoons. The rapid evaporation of the water in this hot and dry environment has led to the accumulation of salts in the bottom of these lagoons; in this case the salt was gypsum.Gesseira de Santanais the unique occurrence in the municipality of Sesimbra representative of this remote ..