	*Bornhorst, Theodore J., Rose, William I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Proceedings* Vol. 40 (2) Institute on Lake Superior Geology**	Report (issue)
	University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for
	*Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan* (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.**	Book
	Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation
	*MacFall, Russell P. (1969) Gem Hunter's Guide* (4th ed.) Thomas Y. Crowell Company, New York.**	Book (edition)
	describes sites under of the nearest town and county. and the many maps included book contain such... O Quartz crystal ^J^ Garnet __ Azurite, Malachite, Chrysocolla, Turquoise LJ Emerald, Beryl ^"^...identification. For some, such as azurite or malachite, the color is a primary characteristic and it...almost judge a puzzling specimen. Obviously malachite, an ore of the heavy metal copper, or hematite...corundum (alu- minum oxide); carbonates, such as malachite (copper car- bonate); phosphates, such as apatite;
	*MacFall, Russell P. (1975) Gem Hunter's Guide* (5th ed.) Thomas Y. Crowell Company, New York.**	Book (edition)
	MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Sapphire Quartz crystal 'y^ Garnet — Azu rite, Malachite, Chrysocolla, Turquoise LJ Emerald, Beryl "»...diamond is more often an octahedron than a cube. Malachite* and hematite usually take a botryoidal or reniform...identification. For some, such as azurite or malachite, color is a primary characteristic and it becomes...will apply to a puzzling specimen. Obviously malachite, an ore of the heavy metal copper, or hematite
	*MacFall, Russell P. (1975) Minerals and Gems. Thomas Y. Crowell Company, New York.*	Book
	HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...they may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey...deathtraps ACTIVE left the in upper peninsula of Michigan, where much of the was produced in the last century... the copper mines of the upper peninsula of Michigan are particularly rich crystal-lined pockets in
	*MacFall, Russell P. (1975) Minerals and Gems. Thomas Y. Crowell Company, New York.*	Book
	0:;~~~=s--_.ifu/1 O ':!!""_...✓26 , EAGLE HARBOR ·=-'--~c--- TO COPPER HARBOR !ROCK SHOPSl r::::-::, LAKE...CHLORASTROUTEI 2 AMYGDAlOID MINE DUMPS 3 AGATE HARBOR (AGATES THOMSONITE ON BEACH\ )l MUD VLAKE TO...topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o f the more picturesque...ian, such as the great cliff outside Yellowstone Park. the Glass Builes near Hampton, Oregon, and the...mine , canyon) district where found (township, county, state) how obtained (found , given , etc., with

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Malachite from Esrey Park, Eagle Harbor, Keweenaw County, Michigan, USA

Malachite from
Esrey Park, Eagle Harbor, Keweenaw County, Michigan, USA