 | | Journal (article/letter/editorial) | | eum.org Muzo-habit Quartz Zigras Mine, Garland County, Arkansas Q uartz, the best known of minerals...Crystals and Crystal Forms, we have selected Muzo-habit quartz from the Zigras mine at Blue Springs, Garland...Garland County, Arkansas, for this issue’s Connoisseur’s Choice. Silica, SiO2, is polymorphous; alpha-quartz...that occurs as colorless anhedral grains in many rock types. Quartz has a Mohs hardness of 7 and is very...trigonal crystal system (or rhombohedral subsystem of the hexagonal crystal system). This crystal class |  | | Book | | The Guide to Quartz in Arkansas Darcy and Mike Howard Mnckhaunding Arkansas Collecting Crystals The...The Guide to Arkansas Quartz 77 A&l Studio Press wmi vMmj /MansH Collecting Crystals The Guide to...to Arkansas Quartz Copyright O 2000 by Darcy and Mike Howard Illustrations by Darcy Howard Photographs... Box 45791 • Little Rock AR 72214 • USA • 501-847-6575 flack/iauncffng Arkansas wvvw. rockhoundingAR... Front cover, quartz crystal from Ron Coleman mine, back cover, quartz crystal from Mount Ida region |  | | Report (volume) | | Quartz Crystal Deposits of Western Arkansas By A. E. J. ENGEL CONTRIBUTIONS TO GEOLOGICAL ECONOMIC...quartz-bearing formations______1_________________ Crystal Mountain sandstone (Ordovician?) _______________ Blakely...oscillator-grade quartz__-________________ _______ Crystal forms__._____.__________^._.--___________-_-___...with the quartz_____________ _______________ Wall-rock alteration and replacement-________________-_._-__-_-Relationship..._-__-_-Relationship between vein minerals and type of wall rock.__________ Secondary features related to deform |  | | Journal (issue) | | President pring has flown by way too quickly, and my rock collecting is put on hold until the cooler and dryer...Continued on page 4 General Meeting Programs May 22: Rock Hunting in Nevada and Arizona—Matt Phillips will............................................... 22 Rock Birds ............................................termination, then the crystal is right-handed. If they are on the lower left side, then the crystal is left-handed...Mineralogy classifies minerals by both chemistry and crystal structure. Based on Dana’s Eighth, quartz is classified |  | | Book (volume) | | 5 = fii? i a j — » ya y _— ’* : i mine in. q)! Y eit iia -...commerce. Coarser gemstones, or those which are rock-like in character or abundance, are treated in still...Carolina, Oregon, Kansas, Alabama, Ohio, Oklahoma, Arkansas, Wyoming, Montana and Illinois. Detailed information... Vill Acknowledgments diamonds of Murfreesboro, Arkansas, was performed by Howard A. Millar. Fred M. Bahovec...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they |  | | Journal (issue) | | FEDERATION OF MINERALOGICAL SOCIETIES 48 A REAL ROCK SAW Offlc:411'9 Gemstone replica of a Wyoming...70001 Audra Snowe. Treasurer Rt. 4, Box 880. Hot Springs. AR 71901 Anita Shier. Secretary 6315 Vanderbilt...know if these tools are available now or not. Some rock shops might have them. If not, you could use something...Recently the Heins displayed their unusual art at a rock show in an Eau Claire, Wisconsin shopping mall which...Winter Splendor. After that, as she pursued her rock hobby, this artist kept a close watch for stones |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Hastings County. In fall 1994, Dan and Shelley Lambert extracted excellent loose ilmenite crystal clusters |  | | Journal (volume) | | going the rounds of the press to the effect that a mine of vanadate of lead has been found, and that $10...north side of the San Joaquin river. Some of the mine owners are employing Chinese at un- derground work...is valuable, but like other rare ping of the Rock Springs trouble. Missouri river at Omaha. That structure...oorrespondentB.— Eds. Besides handling their own mine product the Reduction Co. also work custom ore....engine to hoist and dump on this mine, and are deter mined to develop a mine. The Reduction Co. in their two |
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Miller Mountain Mine, Blue Springs, Garland County, Arkansas, USA