	*Petersen, O. V., Deliens, M., Kampf, A.R - Eds.* (1994) World Directory of Mineral Collections (3rd ed.) Mineralogical Record Inc.**	Book
	Republic Belarus Republic . •. Belgium Brazil Bulgaria Canada. Czech Republic Denmark . Egypt France...majority of specimens were collected by staff during field work with and without students. Some of the collection...teaching; rocks and minerals of Victorian goldfields; ore minerals from Australia. Uses and services: Teaching;...catalogued. Specialties: Historical collection of ore body minerals from Queensland; Queensland Agate collection;...and rocks: 5,000. Soil profiles: 33. Specialties: Ore suites national and international; research rocks
	*Fleischer, Michael, Woodruff, Mary E. (1988) The Ford-Fleischer file of mineralogical references, 1982-1987 inclusive. Open-File Report* Vol. 1988 (88-689) US Geological Survey doi:10.3133/ofr88689**	Report (issue)
	(1984). Average composition from various types of ore, Thierry mine, Ont. ACANTHITE. Sakharova and Bryzgalov...Vendrell-Saz et al., (Sulphosalts, Platinum Minerals and Ore Microscopy (Proc. XI Gen. Mtg. IMA, Novosibirsk)...Vol.). Microprobe analyses (8) from Spissko-Gemer ore deposits, Slovakia. AIKINITE. Kovalenker and Geinke...(Russian) 431 M365 Microprobe analyses (1) from Bulgaria AIKINITE. Kovlenker, (Gold and silver deposits...Analysis,"X-ray, optics from northern Rhodopes, Bulgaria. AIKINITE. Vinogradova et al. (Zap. Vses. Mineral
	*Roberts, Willard Lincoln, Campbell, Thomas J., Rapp, George Robert Jr. (1990) Encyclopedia of Minerals* (2nd ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	for all amateur mineralogists and students in the field. Jacket photo: (Top) sulfur, Sicily, 14cm; (top...USSR, in translation, 1966). INTRODUCTION The Ore Minerals and Their Intergrowths, 2d ed., Vols. 1...fibrous, conchoidal, etc. gangue The portion of an ore that is not economically valuable. gem A mineral...minerals if € > w the sign is defined as positive. ore Naturally occurring concentrations of minerals that...I S iam Tey “arta” le SPP Ate ole aa) rete: ore gww7s Eibu ote b Whee ¢ is vhs "porein ie hit’
	*Roberts, Willard Lincoln, Campbell, Thomas J., Rapp, George Robert Jr. (1990) Encyclopedia of Minerals* (2nd ed.) Van Nostrand Reinhold Co., New York.**	Book (edition)
	for all amateur mineralogists and students in the field. Jacket photo: (Top) sulfur, Sicily, 14 cm; (top...USSR, in transla[ion , 1966). INTRODUCTION The Ore Minerals and Their Intergrowths, 2d ed., Vols. 1...fibrous, conchoidal, etc. gangue The portion of an ore that is not economically valuable. gem A mineral...minerals if E > w the sign is defined as positive. ore Naturally occurring concentrations of minerals that...as a secondary mineral in the oxidation zone of ore deposits, often associated with limonite, calcite

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Heteromorphite from Madan ore field, Smolyan Province, Bulgaria

Heteromorphite from
Madan ore field, Smolyan Province, Bulgaria