This specimen is approximately four inches (ten centimeters) across. Bocamina, 2, 14-35. Calcite, the most common form of natural calcium carbonate (CaCO 3), a widely distributed mineral known for the beautiful development and great variety of its crystals. Merrill, L., and Bassett, W.A. Rocks & Minerals: 17(6): 199-203. Current server date and time: November 29, 2020 23:52:29 483p (pp. EOS: 53: 1121. Marble is a metamorphic rock that forms when limestone is subjected to heat and pressure. American Mineralogist: 50: 2070-2077. Goldsmith, J.R., D.L. Crystal Growth and Design: 12: 3806-3814. in the form of a slurry that will harden into a durable construction material. The Mineralogical Press, Danbury, Connecticut. Journal of Geophysical Research: 79: 2615-2622. J. Zolan Collection; Harold Moritz collection, Wolfe, C. W. and Vilks, I. Fundación Gómez Pardo. Usually white but also colorless, gray, red, green, blue, yellow, brown, orange, Rhombohedral cleavage, powdered form effervesces weakly in dilute HCl, curved crystal faces and frequent twinning, Acid neutralization, a low-hardness abrasive, soil conditioner, heated for the production of lime. Calvo Rebollar, Miguel. Barite Deposits of Kentucky, Ky. Geo. Calvo, G. y Calvo, M. (2006). 13. Worner, H.K., Mitchell, R.W., eds. It would help to know what you have in mind when you write “texture”. Lipson, H., and Riley, D.P. A variety of calcite determined by the crystal shape and color, i.e., large, very thin, tabular white crystals, purportedly resembling angels' wings. Zodac, Peter. Aminoff, G. (1916): Calcitgrupp från Garta (Arendal). Calcite as calcareous tufa: Calcite in the form of calcareous tufa from Mumford, New York. (1960): Pseudomorphs after Datolite, Prehnite and Apophyllite from East Granby, Connecticut. Calcium carbonate derived from high-purity limestones or marbles is used in The Collector's Choice. Specimens from Frank Imbriacco III pictured on Mindat. Mineralogical Society of America, Chantilly, VA, 20 pages. Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. Quarry; White Pigment Limestone Quarry), York Building Supply quarry (Roosevelt Avenue Quarry; Roosevelt quarry; York Stone Quarry; Delta Carbonate quarry), Calumet Mine (Calumet and Hecla Mine; C&H Mine; Shullsburg Mine; Eagle Picher), Prencipe M, Pascale F, Zicovich-Wilson C M, Saunders V R, Orlando R, Dovesi R (2004), Maslen E N, Streltsov V A, Streltsova N R (1993), Maslen E N, Streltsov V A, Streltsova N R, Ishizawa N (1995), Effenberger H, Mereiter K, Zemann J (1981). [MinRec vol.32:, p 12 (20001)]; Rogulina, L.I., and Sveshnikova, O.L. Berkheiser, Jr. Samuel W. (1983), Reconnaissance Survey of Potential Carbonate Whiting Sources in Pennsylvania, Mineral Resource Report 83. Fluorite from Spain. (2012). Kazmierczak, Jozef & Kempe, Stephan & Kremer, Barbara & Lopez-Garcia, Purificacion & Moreira, David & Tavera, Rosaluz. No information on health risks for this material has been entered into the database. These rocks are extremely common and make up a significant portion of Earth's crust. Cesàro, G. (1891) Sur la notation compliquée des cristaux de calcite. Markgraf, S.A., and Reeder, R.J. (1985) High-temperature structure refinements of calcite and magnetite: American Mineralogist: 70: 590. Pulverized limestone is also used as a mine safety dust. In a powdered form, calcite often has an extremely white color. ; Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. nonflammable dust that is sprayed onto the walls and roofs of underground coal Calcite as chalk: Calcite in the form of chalk from Dover, England. When these rocks are weathered, used to neutralize acids, heated to make cement or metamorphosed severely, some of their carbon dioxide is released and returned to the atmosphere. Vol. cement and concrete. 43, issue 9, pp. Image shows birefringence interference colour range (at 30µm thickness). A Quest for New Jersey Minerals, Robert Speiser (1978):9. Rocks & Minerals (1986): 61: 266; Rocks & Minerals (1986): 61: 286-289, Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston; Rocks & Min. En: Fluorite. High-purity calcite was used to make these antacid tablets. Christian Weise Verlag, München. Calcite in the form of oolitic limestone from Bedford, Indiana. 192p. Boratos.

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