Articles in this category were originally published in The Mineralogical Record.
Terra Incognita – The Search for Minerals in Spanish Arizona
From The Mineralogical Record, Volume 14, No. 2, March-April, 1983: “Nearly a century before the Pilgrims landed at Plymouth Rock, Spaniards were exploring what is now southern Arizona. They found a number of important deposits including those at Ajo and Jerome.” Continue Reading
The Old Yuma Mine
From The Mineralogical Record, Volume 14, No. 2, March-April, 1983: “The Old Yuma mine, near Tucson, has produced North America’s finest vanadinite specimens and is also well known for large and beautiful yellow wulfenite crystals. Sizeable pockets of these minerals have been found since the 1880’s and are still being found today.” Continue Reading
Famous Mineral Localities: The Ray Mine
From the The Mineralogical Record Volume 14, No. 5, September-October 1983: “Since mining first began in the Ray area more than 100 years ago, over two billion dollars in ore and thousands of fine mineral specimens have been removed. Superb examples of native copper, cuprite and chrysocolla are still being discovered and preserved.” Continue Reading
The Mines and Minerals of Darwin California
From the Mineralogical Record, Volume 15, No. 1, January-February 1984: “The Darwin district has been a source of lead, silver and tungsten for over 100 years, and nearly 100 different mineral species have been found there. Its long history and interesting mineralogy have made the area popular with California mining historians, economic geologists and mineral collectors.” Continue Reading
Famous Mineral Localities: The Glove Mine
From the The Mineralogical Record, Volume 14, No. 5, September-October, 1983: “From 1955 to 1959 the Glove mine, in the Santa Rita Mountains, produced thousands of fine wulfenite specimens. A variety of attractive colors and distinctive habits qualify this wulfenite as among Arizona’s best.” Continue Reading
The Colorado Mining Directory of 1883 called Leadville the “natural successor to Australia and California.” In the century since that statement was made, interest has never waned and production has never entirely ceased. Not only valuable ore but also fine mineral specimens have been recovered and preserved from many of the nearly 2000 mines in the Leadville area. Continue Reading
The Hamburg Mine and Vicinity, Yuma County, Arizona
From the The Mineralogical Record, Volume 11, No. 3.2, May-June, 1980: “Brilliant, transparent crystals of vanadinite with an unsurpassed, deep red color have been found since the late 1800’s at the Hamburg mine, Yuma County, Arizona. Although sometimes overshadowed by the nearby Red Cloud mine, this old Dana locality still produces some of Arizona’s finest vanadinite in crystals from micromount size to more than a centimeter.” Continue Reading
Lost Mines of Arizona
From The Mineralogical Record, Volume 14, No. 5, September-October, 1983: “The mountains and plains of Arizona are vast, complex, well mineralized and largely uninhabited even today. No one would dare to suggest that Arizona has given up all its secrets, and that no deposits or mineral occurrences remain to be found…” Continue Reading
Native Gold From the Jamestown Mine
From The Mineralogical Record, volume 25, January-February, 1994: “On December 26, 1992, owners of the Jamestown mine in Tuolumne County, California, received an unexpected Christmas present. Excavation in the company’s Crystalline pit revealed a ‘pocket’ of crystalline leaf gold. Approximately 1,568 ounces of specimen gold were collected in all. The largest piece, weighing in at 25.79 kg (69 troy pounds), ranks as one of the largest specimens of gold ever found in California, or the nation.” Continue Reading
