	*Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular* 24. North Carolina Division of Mineral Resources**	Report (issue)
	.'.' .., Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE...Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community...for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist FRONT
	*Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular* 24. North Carolina Division of Mineral Resources**	Report (issue)
	Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North Carolina Department of Natural Resources and Community...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist i ...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide...viable mineral collecting sites through out North Carolina. Some sites are commercially operated during
	*(1957) Gem stones of the United States. Bulletin* Vol. 1042. US Geological Survey doi:10.3133/b1042g**	Report (volume)
	(kunzite, hiddenite), zircon, and gem varieties of feldspar, topaz, and quartz. Gem stones maybe weathered...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great
	*(1968) Mineral resources of the Appalachian region. Professional Paper* 580. US Geological Survey doi:10.3133/pp580**	Report (issue)
	_---Grandfather Mountain Formation and Mount Rogers Volcanic Group ___ -Catoctin Greenstone ________ - ____ --Basal...undivided _____________________________ _ 27 ]{nox GrouP--~-----------------------Cambrian rocks undivided...and dolomites________________________ 232 Knox Group (Upper Cambrian and Lower Ordovician) ________ 236...272 Reserves and resource potentiaL_________ 272 Feldspar, by F. G. Lesure, Stanley A. Feitler, and Robert...278 Geologic occurrence_____________________ 279 Feldspar deposits in Appalachia_ _ _ _ ____ __ 280 Resource
	*Sinkankas, John (1959) Gemstones of North America* Vol. 1. Van Nostrand Reinhold Co., New York.**	Book (volume)
	NORTInHIwo AME A Volumes John Sinkankas _ GEMSTONES OF NORTH AMERICA In Two Volumes ® Volume I Gemstones, of...of all the mineral treasures to be found in North America, are perhaps the most fascinating—and the...worthy of the name. Some, like the emeralds of North Carolina, the colorful and fabulous tourmalines and...above all, easily read and understood, GEMSTONES OF NORTH AMERICA, Volumes I and II, will be welcomed as a...abroad are becoming so scarce and expensive that North America has developed into a major exporter rather
	*(1975) INDEX TO VOLUME 60. American Mineralogist, 60 (11-12) 1133-1145*	Journal (article/letter/editorial)
	using enpirical 599 rection factors tunphibole group 375,785 actinolite J / J anthophyl I ite 375 cunningtonite...cunningtonite J@/ ferrorichterite 265 hornblende Anphibole group, cont. richterite Krichterite, riebeckite, Kin andesite...garnets in the stockdale Kirnberlite Intrusion, Riley County, Kansas Anandite ordering Ancyl ite crystal structure...and State University. Ascharite, see szaibelyite grouP Astrophyllite nonoclinic Mg-: astrophyllite: (abstr)...conposition Authigenic minerals 235 albite 235 feldspar, KAuthors, instructions to, 173 supplenent Awards
	*Sinkankas, John (1976) Gemstones of North America* Vol. 2. Van Nostrand Reinhold Company, New York.**	Book (edition)
	GEMSTONES $CS of NORTH AMERICA . In Two Volumes $30.00 GEMSTONES OF NORTH AMERICA In Two Volumes ...REINHOLD BOOK / '- ✓ ( ..., ■ GEMSTONES OF NORTH AMERICA In Two Volumes Volume II T ourmaline...from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...lnternatiunal, Inc. F RO. Tl!>PI£CE GEMSTONES of NORTH AMERICA In Two Volumes Volume II John Sinkankas...publication of the first volume of Gemstones of North America in 1959 so much has transpired that the
	Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011	Journal (article/letter/editorial)
	. . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and.... . . . . . . . . . . . . . . . . . . . . . . Feldspar . . . . . . . . . . . . . . . . . . . . . . ....and mineralogy of feldspar . . . . . . . . . . . . . . . . 39.2. Magmatic feldspar deposits . . . .
	Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011	Journal (article/letter/editorial)
	. . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and.... . . . . . . . . . . . . . . . . . . . . . . Feldspar . . . . . . . . . . . . . . . . . . . . . . ....and mineralogy of feldspar . . . . . . . . . . . . . . . . 39.2. Magmatic feldspar deposits . . . .
	*Sinkankas, John (1966) Mineralogy: A First Course* (2nd ed.) Van Nostrand Reinhold Co., Princeton, NJ.**	Book (edition)
	the outstanding sho,vs of the annual San Diego County Fair at Del Mar, California. In addition, the collections...packing prevails in the metals of the platinum group. A few se1ni-11ietals, so n arned because they have...structures. Soro is derived from the Greek word for "group." Pairs of tetrahedra are linked by one oxygen ion...method of linking is by lengthening the double-unit group to form chains. The Greek word for 34 MINERA...in1portant one because l'\'O of its n1inerals, feldspar and quartz, are the most abundant of all 1ninerals
	*Sinkankas, John (1964) Mineralogy for Amateurs* (1st ed.) Van Nostrand Reinhold Co.**	Book (edition)
	CUTTING-A Lapidary's Manual, 2nd Ed. GEMSTONES OF NORTH AMERICA GEMSTONES AND MINERALSHow and Where to Find...at the outstanding shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...vvith the descriptive mineralogy of a selected group of species representing those most likely to be...educated collector and connoisseur. In the latter group may be, for example, alexandrite twins from the...for whom the emerald-green spodumen e from North Carolina, hicldenite) is named; George Frederick Kunz
	*Sinkankas, John (1964) Mineralogy for Amateurs* (1st ed.) Van Nostrand Reinhold Co.**	Book (edition)
	TING—A GEMSTONES PROSPECTING OF Lapidary’s NORTH FOR Manual, 2nd ed. AMERICA GEMSTONES AND...the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...deals with the descriptive mineralogy of a selected group of species representing those most likely to be...educated collector and connoisseur. In the latter group may be, for example, alexandrite twins from the... for whom the emerald-green spodumene from North Carolina, hiddenite, is named; George Frederick Kunz
	*George, R. D. (1917) Common Minerals and Rocks - Their Occurrence and Uses. Bulletin* 12. Colorado State Geological Survey doi:10.58783/cgs.b12.hntl2601**	Report (issue)
	a solution consisting of molecules of quartz, feldspar, mica and other minerals. As the mass cools the...definite order and build up a mica crystal. The feldspar molecules appear PROPERTIES OF MINERALS 13...such cases the upper group of three faces will be separated from the lower group. The scalenohedron, Fig...perfection of crystal form, is mica, hornblende, feldspar, quartz. From the above facts it is evident that...is used as a scale of hardness. These are : 6. Feldspar. 1. Talc. Gypsum. 2. 7. Quartz. 3. Calcite. 8
	*George, Russell D. (1943) Minerals and Rocks* - Their Nature, Occurrence, and Uses. D. Appleton-Century Co., New York.**	Book
	SEMI-Precious METALs p. The Platinum Metals Group Platinum eee Iridium . Osmium VIl. ALKALI Caesium...Semi-METALS 208 a. Group! . 208 208 211 215 218 218 aye 223 Arsenic . Antimony Bismuth B. Group II Selenium...Amphiboles . B. Minerals of Sedimentary Rocks . Kaolin Group . Quartz Calcite and Related Minerals, XVI. Minor...CHAPTER Clintonites or Brittle Micas Chlorite Group... The Kaolin Minerals heal Related Fiydeaas Alaotra...Cuprite. \|Chrysocolla, botryoidal and granular. Group of covellite crystals. \| Covellite crystal. Between
	*George, Russell D. (1943) Minerals and Rocks* - Their Nature, Occurrence, and Uses. D. Appleton-Century Co., New York.**	Book
	Gold and Silver Gold Silver The Platinum Metals Group Platinum Iridium Osmium Palladium Rhodium Ruthenium...Rubidium Caesium VIII. • •• Group I Arsenic Antimony Bismuth Group II Selenium Telurium Boron 1 49...MINOR METALS OF LIMITED INDUSTRIAL VALUE A. Group I Gallium Indium Scandium Thallium Yttrium Germanium...Amphiboles • • Minerals of Sedimentary Rocks Kaolin Group Quartz . Calcite and Related Minerals MINOR AND...PAGE Clintonites or Brittle Micas 357 Chlorite Group 357 The Kaolin Minerals and Related Hydrous Aluminum
	*(1965) Bibliography of North American geology, 1950-1959. Bulletin* Vol. 1195. US Geological Survey doi:10.3133/b1195**	Report (volume)
	Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S. LOUD, MILDRED CHALLMAN...GEORGIANNA D. CONANT INTRODUCTION This bibliography of North American geology lists publications that appeared...(including Alaska and Hawaii), the rest of the North American continent including Greenland, the West...material not included before, notably, a large group of reports prepared by and for the U.S. Atomic Energy...in foreign journals are cited if they deal with North American localities or are of a general nature,
	*Sinkankas, John (1962) Gem Cutting - A Lapidary's Manual* (2nd ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	THE SAME AUTHOR Gemstones of North America, volume 1 Gemstones of North America, volume 2 Mineralogy...(From Left to Right) Top Row Third Row LazuLirE—North Groton, N. H.; ALMANDINE GARNET CrystTaL—near Dallas...Arizona; Rose Quartz—Brazil. CaLIFORNITE—Siskiyou County, Calif.; Apatire CrysTAL—Durango, Mexico; WinLiAMsiITE—Line...Canada. Second Row Topaz—Mason of Washington; County, Texas; OPALIZED AQUAMARINE, Woop—State pendant—Brazil...here. Similarly, details on gemstone localities in North America have been eliminated or reduced because

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Feldspar Group from Yancey County, North Carolina, USA

Feldspar Group from
Yancey County, North Carolina, USA