| | Journal (issue) | SILVER CELEBRATION: GEM ARTISTS OF NORTH AMERICA MARK 25 YEARS VOL. 51 NO. 3 • MARCH 2021 THE EARTH’S...IRIDESCENT MINERALS Inspecting An Optical Phenomena ROCK&GEM • Vol. 51 No. 3 • U.S. $5.99 Issue Code: 2021-03...34 EVOLUTION OF A THUNDEREGG HUNTING FAMILY 54 ROCK & GEM REVISITED: BRUNEAU-PATTERN JASPERS Discoveries...Beckett Media, LLC POSTMASTER: Send address changes to Rock&Gem, c/o Beckett Media, 4635 McEwen Rd., Dallas...editor@rockngem.com Earth Science In the News .........52 Rock Science ..............................68 Club Call | | | Journal (issue) | CERUSSITE Galena’s Gift of a Stunning Secondary Mineral ROCK&GEM • Vol. 51 No. 2 • U.S. $5.99 Issue Code: 2021-02...RE METALLICA 465 Years Old and Still Relevant 54 ROCK & GEM REVISITED: The Most Common Mineral Quartz....... 38 The Road Report..................... 46 Rock Science .......................... 68 What to Cut...CALL-OUT Is Your Club Listed? CALL (855) 777-2325 Rock&Gem (ISSN 0048-8453, USPS 486-290) is published... TX 75244. POSTMASTER: Send address changes to Rock&Gem, c/o Beckett Media, 4635 McEwen Rd., Dallas | | | Report (volume) | cientlfica Circular Classe classification Company, County Collections Committee Communications Comparative...Topog.------- Topographic, etc. Tp.__-.-__-._ Township BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1946...Tucson, Ariz. Arkansas Mineral Bulletin 5, 6. Little Rock, Ark. Arkansas Resources and Development Commission...Commission, Division of Geology, Bulletin 11. Little Rock, Ark. Association Canadienne-Frangaise pour 1'Avancement...Geographers Annals vols. 36, 37. Lancaster, Pa. Auk vols. 63, 64. Lancaster, Pa. Bernice Pauahi Bishop Museum: | | | Report (volume) | Am. Jour. Botany-American Journal of Botany. Lancaster, Pa. Am. Jour. Sci.-American Journal of Science...Circular. Little Rock, Ark Ark Geol. Survey County Mmeral Rpt.-Arkansas Geological Survey County Mmeral Report...Report Little Rock, Ark. Ark Mmeral Bull.-Arkansas Mmeral Bulletm. Little Rock, Ark. Ark. Res Dev. Comm...Annual Report; Bulletin; InformatiOn Circular. Little Rock, Ark Asoc Mex. Ge6logos Petroleros Bol.-Asociaci6n...Annals-Association of American Geographers Annals Lancaster, Pa. Assoc. Pacific Coast Geographers Yearb.-Association |
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