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The Old Gunnislake mine is well known among collectors of Cornish minerals as the source of classic old specimens of metatorbernite, most of them found around 1811-1812. The mine finally closed in 1872, and surface areas where mining took place have been reclaimed. Some of the underground workings are still accessible, but are quite radioactive. [ABSTRACT FROM AUTHOR]

The Soudan mine in northern Minnesota's Vermilion Iron Range is the oldest and deepest mine in Minnesota, having yielded nearly 16 million tons of high-grade hematite ore between 1884 and 1962. It is also the source of some of the Midwest's finest and most interesting quartz crystals. [ABSTRACT FROM AUTHOR]

The article discusses the highlights of the Ste.-Marie-aux-Mines Show 2016, an important event in Alsace, France which is regarded as Europe's second most important mineral show.

The article presents an update on developments in the mineral trade of India from 2003 to 2015. Topics covered include how only a few areas in the world have manufactured collector-quality minerals in huge quantity and excellent quality as have the Deccan Traps of India and the currently productive localities in India in 2015 such as east Maharashtra, the Jalgaon area, and the Wagholi quarries.

The Mineralogical Record website has many functions and databases filling over 4,100 different pages of potential interest to the mineral collector. Herewith a brief review of some of the most useful features and databases. [ABSTRACT FROM AUTHOR]

The article offers information on the Tucson Gem and Mineral Show that was held at the Tucson Convention Center in Arizona from January 31-February 15, 2015, which involved poker game and exhibition of calcite and anhydrite.

The article discusses the history of Saxon Erzgebirge ("Ore Mountains") and nearby metal mining districts in Germany. Topics include categories of Saxon mining memorabilia including miners' uniforms, hats and parade swords, beginning of silver mining in the Freiberg area of the Erzgebirge in 1168, and pictorial illustrations of axes depicting human figures and animals.

The article provides analysis of American students enrolled in the Mining Academy of Freiberg, Germany, in 1875. Topics discussed include foreign governments' initiatives in sending young men to the Mining Academy to study mining and metallurgy, specialized curricula pursued by Americans rather than regular course of training, and Theodor Friedrich Moss being the first American in Freiberg.

The article focuses on the establishment of Mineralien-Niederlage ("Mineral Dealership") by Freiberg, Germany, Mining Academy founded in 1765. Topics discussed include Academy involved in supplying students of mineralogy with mineral collections and fine specimens, information on administrators of the Mineralien-Niederlage including Christian Hieronymous Lommer and Johann Friedrich Scheuchler, and supply of minerals, ores and rocks with the expansion of Mineralien-Niederlage.

The article reports on the contributions of women to mineralogy and mineral collection (MC) in Europe. Topics discussed include the more than 15,000 pound expense of Margaret, Duchess of Portland in England on her MC at a time when workers earn a monthly salary of 100 pounds, continuation of the family's MC by Empress Maria Theresa in Austria and success of mineral dealer Sarah Mawe in continuing the business left to her by her late husband John.

The author discusses the results of his survey on mineral collectors and dealers to determine their insights on the state of the market. Topics covered include the decrease in the supply of minerals while the number of new hobbyists are increasing, undervaluation of the existing specimens of minerals and explanation of the lack of market growth. Also mentioned are events that promote mineral collection in the U.S.

The article offers information on the Monteponi Mine at Iglesias in Sardinia, Italy where quality chlorocarbonate phosgenite crystals may be found. Topics discussed include the history of the mine since the Romans ruled Sardinia in the fifth century until its closure in 1997, management by the first corporate president Paolo Antonio Nicolay and reuse of the buildings in the Monteponi facility as venues for cultural events.

The article features the Rubtsovskiy copper mine in western Siberia which contains the mineral cuprite. Topics include the crystallized specimens of native copper found in the Rubtsovskoe deposit during the late 2000s, previous studies and research conducted in the area which looked at the structure, mineralogy, and origins of the deposit, and a brief history of the mine which was discovered on June 27, 1970.

A personal narrative is presented which explores the author's experiences traveling to the Panasqueira mining district in Portugal.

The article discusses the Ste.-Marie-aux-Mines Show, held from June 27-30, 2013, in Vosges Hills country of Alsace in northeastern France. It states that the show featured a serious thematic exhibit called Caches d'Amérique, i.e., Hidden Treasures of the America, wherein world-class mineral specimens from the Western Hemisphere were on display. It also mentions that minerals that were on display include magnetite, barite and cobaltaustinite.

The article considers Namibia as a major source of collector-quality mineral specimens, especially the secondary base metal minerals, and offers information on the Kaokoveld mining district which is located in the Kunene region of northwestern Namibia. It discusses the copper-rich mineralization in the Kunene Copper Belt in Namibia and describes minerals found in the region including bismutite, bornite and calcite, and also presents photographs of these minerals.

The article features some of the Wittichenite crystals found in the Cattle Grid Pit of Mount Gunson Mine in South Australia. It discusses the location and geology of the mine, the mining and collection history of the area and the morphology of the crystals found in the mines. According to the article, the opportunity to study the Mount Gunson Wittichenite concentration in situ was lost because its mineralogical significance was not recognized at the time of mining.

The article focuses on the large diversity of mineral resources in China and highlights its popularity in the international market. It informs that the credit for China's large collection of mineral specimens goes to its rich mineral deposits and active mining industry. It also informs that a new mineral culture has started to grow in China where dealers, collectors, museums and government people are working to preserve mineral specimens.

The article presents information on Carlsbad Potash Basin situated in Carlsbad, New Mexico which became famous due to the occurrence of blue and purple halite in the mining area. It includes information on semi-arid climate of the area and also informs about an assortment of evaporite minerals, including rare potassium-magnesium sulfate langbeinite and the potassium-sodium sulfate aphthitalite that has made Carlsbad popular among the mining industry.

The article presents information on the history of the hardrock mining in Canada. The origin of the metals have been a hot topic of debate since the discovery of the mineral ores in 1903. Information on several minerals including chlorargyrite, cosalite, erythrite, fluorapatite and galena is also offered.

The article presents information on crocoite discoveries at the Adelaide mine in Tasmania. Mines in Tasmania was first discovered by an European in 1642. Most of the main crocoite deposits were found near a town named Dunda. Major exploitation of Tasmanian mineral resources was catalyzed following a discovery by prospector James Smith.

The article presents information on Shangbao mine located in Hunan Province, China. The mine has proven to contain great fluorite occurrences of world-class rank, which yields fine specimens onto the Western mineral market. The deposit in the mine was discovered during an exploration program carried out between 1959 and 1964.

The article presents information on the Huanggang Mine in Mongolia, China. A study conducted by Chinese geological literature found enormous size of ore deposits in Inner Mongolia. It is stated that the promising fact about the Huanggang mine is that it is being visited by educated and experienced mineral dealers from Beijing, and hence it is expected that mineralogical rarities will continue to be noticed and properly identified.

The article presents information on Huanggang mine located near Chifeng in China. The mine is actually a complex of seven major mines that are to some extent connected. Information on Huanggang miners and local dealers are offered. Several photos of specimens that were recently collected from the Huanggang mines are also presented.

Information about the 2012 Tucson Gem and Mineral Show, held January 28-February 12, 2012 in Tucson, Arizona is presented. The event's main highlight was about the mineral industry of Arizona, as well as new mineral discoveries in 2012. It also featured awards given to individuals and organizations in the mineralogy industry.

The article offers information on the Belshazzar mine located in Boise County, Idaho. It provides an overview about the history of Belshazzar mine, which was named for a prince of Babylon from the Old Testmanet. It looks into the minerals found in the mine which include gold, pyrite, and galenobismutite. It adds that sphalerite and arsenopyrite are the other minerals found in the mine.

The article offers information about the Jonas Mine located in Itatiaia, Minas Gerais, Brazil. It provides an overview of the history of Jonas mine, which was originally called the Joao Pinto mine, named after the local farmer who first dug there, and the discovery of the Bambúrro pocket. Information about the several specimen found in the mine is also offered which include Joninha, Foguete, and Tarugo.

The article provides an overview of the Wutong mine located in the Guangxi Zhuang Autonomous Region, China. It offers a comparison between the Wutong mine and the Sweet Home mine with details on the history, mining methodology, geology and minerology of the special deposits. It also reveals the similarities of the two mines including the marginal success of the original polymetallic ore mining efforts, the rarity of the crystal pockets, and the mineral assemblages.

The article provides an overview of the Yaogangxian mine located in Hunan Province, China. It talks about discovery and production of tungsten in the nation. It discusses how the Yaogangxian mine consists of at least 24 levels accessed by shafts, open stopes and adits at a range of elevations up the side of the mountain. It also offers the mine's geology, mineralization, and minerology.

The article features the Refugio mine located in Municipio de Choix, Sinaloa, Mexico. It provides an overview of the history of Choix mining district, the location of Refugio mine, which is the sole source of fine botryoidal smithsonite from Mexico since the early 1970s. It also discusses the aspects of Choix smithsonite, which comes in different colors.

The article focuses on the life and works of mineralogist Andrés Manuel Del Rio. It provides an overview of the early training of Del Rio, who is named the father of Mexican mineralogy. Also discussed is his contributions in the early mineralogists in the U.S., training generations of Mexican mineralogists, and to the mining engineers around the world.

The article features Cerro de Mercado located in Durango, Mexico. It provides an overview of the history and geology of the city of Durango and the Cerro de Mecardo. Also offered is information about the minerals that can be found in the mining location which include fluorapatite, hematite and calcite.

The article features the Taxco mining district in Mexico. It provides an overview of the location and history of Taxco de Alarcón, as well as the changes from the pre-hispanic period to the 21st century. Also discussed are the 50 individual vein systems of the Taxco mining district which include Guerrero mine, Los Remedios mine, and San Antonio Mine.

The article offers information related to Sainte Lucie mine in Lozère, France and its finest mine, the rare lead tungstate stolzites. It states that the mine of stolzites from Sainte Lucie is the most excellent examples of mineral species in the world. It also discusses the history of Sainte Lucie mine including its mine operation, the lawsuits it had faced because of its operation, and its location and geology. It also mentions the other minerals which can be mined in Sainte Lucie.

The article focuses on the Celestine found at the Sakoany area in Mahajanga Province, Madagascar. It states that Celestine is a mineral with crystal-lined geodes and considered to be the most prominent and productive in the Sakoany deposit. It says that the mining of Celestine in Sakoany started in 1967 and was continued to be present in the mineral market in early 1980s. It adds that mining of the Celestine is also regarded as one of the financial sources of the residents in the Sakoany area.

The article offers information on the efforts of Johannes Keilmann for setting the Munich Show, an annual mineral show in Munich, Germany. It states that Keillmann's first set up of the Münchener Mineralientage show in September 1972 has failed as it was not properly promoted to the visitors. However, it says that with help of his wife Hermi Klü and their three children Andrea, Robert, and Christoph, the show become successful and held its international shows such as in the U.S.

The article features the Tweefontein farm, the premier locality for sperrylite crystals in Transvaal, South Africa which became famous for mineral collectors and mineralogists. It says that in 1925 or 1926, the large sperrylite crystals where discovered in the upper portion of Tweefontein Hill, a site where the pre-European copper workings were also found. Other minerals that were discovered at the Tweefontein farm are also featured which include stibiopalladinite, braggite and platinum.

The article focuses on the sperrylite specimens from the Talnakh orefield in the Norilsk region of Siberia in Russia. It mentions the exhibition of a miniature matrix of specimen with sperrylite crystals from Norilsk by the Russian collector Vladimir Pelepenko at the 1986 Munich Show, after restrictions from the Soviet Union. It states that Norilsk has six major deposits, however, only three of them are being mined commercially, which include the Norilsk, Talnakh, and Oktybar deposits.

The article focuses on the Boulby mine, located in the borough of Cleveland and Redcar in North Yorkshire. It states that Boulby mine is known for the finest specimens of blue boracite worldwide. It notes that the room-and-pillar method mining technique is used to work on the Boulby potash deposit. It says that the Boulby mine was developed within a thick sedimentary sequence of late Permian age. The occurrence of boracite, hilgardite and other minerals at the Boulby Mine is also discussed.

The article provides information on the Fallowfield mine in Northumberland, England. It states that the mine has been worked in the Middle Ages by the Hexham Abbey monks, and was first operated for lead. It mentions that the mine was expanded and was installed with a second pumping engine by the Blacketts family, the owner of the land, since it prospered. It also poses that the mine serves as the locality for alstonite and for collectors.

The article provides information regarding mineral mining in the Alston Moor district in northern England. It presents an overview of a brief history of mining activities in Alston Moor and the geological characteristics of the area. Moreover, it discusses the mining operation and the minerals excavated by various notable mines in the district including Blagill mine, Brownley Hill mine, Nentsberry Haggs mine, Rotherhope Fell Mine, and Smallcleugh Mine.

The article presents information on the discovery of the Dugupi-Maanshan mine in Weishan County, Yunnan Province in China. Among the discoveries consist of several individual mines found in the steep hillside of the Yangbi River. It also reveals the specimen of minerals produced in the area such as aragonite, calcite, fluorite, stibnite, secondary antimony minerals and other metals. Photographs of the minerals found in the mining site is also presented.