	*Bernstein, Lawrence R. (1976) Minerals of Washington, D.C. and vicinity. Open-File Report* Vol. 1976 (76-849) US Geological Survey doi:10.3133/ofr76849**	Report (issue)
	Anne Arundel County 43 Baltimore County 45 Howard County - Montgomery County 88 Prince Georges County...County Virginia 74 . 120 129 Arlington County 129 Fairfax County 131 Fauquier County 139 Loudoun...Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS...forming a ridge north of Route 7 near Dranesville, Virginia. Figure 7. Locations of mineral deposits in...iron mines in the Coastal Plain of Anne Arundel, Prince George's/and Baltimore Counties, Maryland (Sterrett
	*(1990) May - June 1990. The Mineralogical Record* Vol. 21 (3) The Mineralogical Record, Inc.**	Journal (issue)
	........................191 by R. P. Richards Amethyst occurrences of the eastern United S ta tes......Schacht (who was bom Horace Greele} Schacht in the USA), President of the German Reichsbank. In du< course...overall light smoky shade, and one from Saline County, Arkansas, failed to turn color at all. Crystals...“Hot Springs area” * “Hot Springs area” Lincoln County Veta Grande Claim, Yuma Co. Arkansas Arkansas...University M ontgomery, Alabama 36849 Gem and specimen amethyst has been known from exceptional occurrences in
	*Peterson, James A. (1974) Finding and Preparing Precious and Semiprecious Stones. Association Press, New York.*	Book
	wulfenite on the front cover and the picture of the amethyst geode on page 1 are reproduced by courtesy of...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...serves as an excellent clue. A case in point is amethyst. This gem has a distinctive purplish or bluish-violet...various kinds of quartz. When one remembers that amethyst, along with the agates, chalcedonies, jaspers...in the coarsely crystalline classification are amethyst, tiger seye, citrine, milky quartz, quartz with
	*Beste, Bob (2014) Location Guide for Rockhounds in the United States* (4th ed.) Vol. 4 - Part IV - South Dakota through Wyoming.**	Book (volume)
	beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE:  area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...of rd. a few yds., outcropRose Quartz. DOUGLAS COUNTY CORSICA, S on US 281 to Armour, area rd. cuts,
	*Beste, Bob (2005) Location Guide for Rockhounds in the United States* (3rd ed.) Vol. 3 - Part III - Ohio through Wyoming.**	Book (volume)
	ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay
	*Beste, Bob (1996) Location Guide for Rockhounds in the United States* (2nd ed.) Vol. 3 - Part III - Ohio to Wyoming.**	Book (volume)
	ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay
	*Sinkankas, John (1997) Gemstones of North America* Vol. 3. Geoscience Press, Inc., Tucson, AZ.**	Book (volume)
	be estimated from the pale rectangular step cut amethyst (left, upper group) which measures about 25 mm...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...specialist (gemstones), U.S. Bureau of Mines; William & Joan Baltzley, owners & operators, Morefield...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache
	*Sinkankas, John (1997) Gemstones of North America* Vol. 3. Geoscience Press, Inc., Tucson, AZ.**	Book (volume)
	be estimated from the pale rectangular step cut amethyst (left, upper group) which measures about 25 mm...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...specialist (gemstones), U.S. Bureau of Mines; William & Joan Baltzley, owners & operators, Morefield...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...Patricia Gray, Graystone Enterprises, Missoula, MT; William D. Gregorio, Fayetteville, PA; Jeanne Gurski, Jeanne's
	*Sinkankas, John (1959) Gemstones of North America* Vol. 1. Van Nostrand Reinhold Co., New York.**	Book (volume)
	referring to any locality in the book. JS: Arlington, Virginia. June, 1959 Acknowledgments Tue successful...Royal Ontario Museum, Carl B. Gerber of Arlington, Virginia, and in the case of gemstone deposits in British...Department of Conservation; and on the Four Peaks amethyst deposit in Arizona by Dr. F. W. Galbraith of the...by Dowse’s Agate Shop, Salt Lake City, Utah, by William J. Bingham of St. Paul, Minnesota, by Guy Wilson...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they

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Amethyst from Minnieville, Prince William County, Virginia, USA

Amethyst from
Minnieville, Prince William County, Virginia, USA