The Mineralogical Record articles from March 2009

The Mineralogical Record archives from March 2009

Died, George Burnham, 94.(Notes from the Editors)(George Edward Burnham)(Obituary)
March 1, 2009... George Edward Burnham, long-time California mineral dealer, was born in Lake Elsinore, Riverside County, California on July 16, 1914, the son of Lois Lee and Charles Burnham, a grocery store clerk and later a rancher. Their home was not far...

Died, John Marshall, Jr. (1931-2008).(Notes from the Editors)(Obituary)
March 1, 2009... John H. Marshall, Jr, was born in 1931 in Massachusetts and died August 14, 2008. He grew up in Newton, Massachusetts, until his father went overseas to fight in World War II, and his working mother sent him to St. Mark's School in...

"New" photo of George English!(Notes from the Editors)(George Letchworth English )(Brief article)
March 1, 2009... Darryl Powell in Manchester, New York recently wrote to us about a newly discovered photo of the early Philadelphia mineral dealer George Letchworth English (1864-1944). English, who established his mineral business in 1887, was the main...

The Round Mountain mine, Nye County, Nevada.
March 1, 2009... Although the average ore grade at the Round Mountain mine is only around 0.02 ounces of gold per ton, spectacular finds of hundreds of ounces of beautiful crystallized gold have yielded substantial numbers of attractive specimens, the finest...

"Skunk" calcite: mineral paragenesis in an amethyst geode from Ametista, Rio Grande do Sul, Brazil.
March 1, 2009... The famous amethyst geodes of Brazil and Uruguay rarely contain crystals of "skunk" calcite, wherein microcrystals of goethite form sharp, narrow black bands on rhombohedral calcite faces. Close study reveals the probable paragenetic...

Twinned datolite from dalenegorsk, Primorskiy Kray, Russia.
March 1, 2009... INTRODUCTION Datolite ([CaBSiO.sub.4]) is structurally classified as an orthosilicate and is a member of the Gadolinite Group of minerals. It crystallizes in the monoclinic system and is isostructural with herderite. While the standard...

The refractometer.
March 1, 2009... The index of refraction is a fundamental property of a substance, and its determination may provide valuable diagnostic information about minerals and crystals. Over a period of four centuries, widely varying devices and experimental...

The Museum directory.(Directory)
March 1, 2009... Colburn Earth Science Museum Curator: Phillip M. Potter Tel: (828) 254-7162 Fax: (828) 257-4505 Website: www.colburnmuseum.org Pack Place Education, Arts & Science Center 2 South Pack Square Asheville, NC 28801...

Internet directory.(Directory)
March 1, 2009... AA Mineral Specimens Minerals, crystals, fossils, gems & sets www.aamineralspecimens.com e-mail: info@aamineralspecimens.com AARockshop Cool rocks at affordable prices! www.aarockshop.com e-mail:...

About mineral collecting part 4 of 5: some personal observations, ruminations, reflections, reminiscences, ramblings, digressions, grumblings, approbations, wisdom and advice gleaned from 50 years of collecting and dealing in minerals.
March 1, 2009... Quality and Price Relationships Over the years there has been an upgrading of standards for judging the quality of a mineral specimen. What was thought to be a good specimen in 1900 might today be considered only fit for study purposes....

Collectors, investors and dealers (oh, my).(Legal Nuggets)(Column)
March 1, 2009... During a trip to Berlin in 1891, Mark Twain was mistaken several times for Theodor Mommsen, the eminent German historian and archeologist. Reputedly, Twain became embarrassed when, as he entered a beer hall, the assembly jumped to their feet...

"Fairness" in pricing.(Letters)(Letter to the editor)
March 1, 2009... How does an honest and conscientious mineral dealer (who also may be a collector) evaluate mineral specimens and determine their fair market value in today's marketplace? I believe that, for the health of the mineral hobby, we as dealers must...

Mexico-V.(Letter to the editor)
March 1, 2009... I greatly enjoyed the recent issue (Mexico Special Issue V), especially the article by Tom Moore describing the Apex mine at San Carlos, Chihuahua. In this article I was quoted as stating that "fine botryoidal masses of lemon-yellow mimetite...

Texas supplement.(Letter to the editor)
March 1, 2009... I agree with your comments (Notes from the Editors, January-February) about the benefits of the Texas Collections book to the mineral community, but there is more I would add: I feel very strongly that this book has an unprecedented benefit to...

Benitoite mine.(Letter to the editor)
March 1, 2009... I want to congratulate you on your fine report on the Benitoite Gem mine (January-February 2008). The amount of research you had to do is remarkable. The only information in your article that I would like to correct is the story taken from the...

Errata.(Correction notice)
March 1, 2009... The pyromorphite pictured on page 36 of the Marc Weill Collection supplement is a mid-19th century specimen from the Merkur mine, Bad Ems, Germany (not the Bunker Hill mine). It was originally in the Marcus Baumstarck collection, and then the...