Alphabetical Listing for F

• Fargas F, Calas G (1991) Structural analysis of radiation damage in zircon and thorite: An X-ray absorption spectroscopic study. American Mineralogist 76:60-73
• Farmer GL, Boettcher AL (1981) Petrologic and crystal-chemical significance of some deep-seated phlogopites. American Mineralogist 66:1154-1163
• Farrell EF, Newnham RE (1965) Crystal-field spectra of chrysoberyl, alexandrite, peridot, and sinhalite. American Mineralogist 50:1972-1981.
• Farrell EF, Newnham RE (19</li>65) Crystal-field spectra of chrysoberyl, alexandrite, peridot, and sinhalite. American Mineralogist 50:1972-1981
• Farrell EF, Newnham RE (1967) Electronic and vibrational absorptoin spectra in cordierite. American Mineralogist 52, 380-388.
• Fayazyddin M, Reddy NCG, Reddy GS, Reddy SL, Rao PS, Frost RL (2007) Optical absorption and EPR studies on beaverite mineral. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 68, 807-810. 

• Faye GH (1968) The optical absorption spectra of iron in six-coordinate sites in chlorite, biotite, phlogopite and vivianite. Some aspects of pleochroism in the sheet silicates. Canadian Mineral 9:403-425
• Faye GH (1968) The optical absorption spectra of certain transition metal ions in muscovite, lepidolite, and fuchite. Canadian J of Earth Sci. 5:31-38
• Faye GH, Nickel EH (1968) The origin of pleochroism in erythrite. Canadian Mineral 9:493-504
• Faye GH, Manning PG, Nickel EH (1968) The polarized optical absorption spectra of tourmaline, cordierite, chloritoid and vivianite: ferrous-ferric electronic interaction as a source of pleochroism. Amer Mineral 53:1174-1201
• Faye GH (1969) The optical absorption spectrum of tetrahedrally-bonded Fe3+ in orthoclase. Canadian Mineral 10:112-117
• Faye GH, Harris DC (1969) On the colour and pleochroism in andalusite from Brazil. Canadian Mineral 10:47-56
• Faye GH, Hogarth DD (1969) On the origin of 'reverse pleochroism' of a phlogoite. Canadian Mineral 10:25-34
• Faye GH, Nickel EH (1969) On the origin of colour and pleochroism of kyanite. Canadian Mineral 10:35-46
• Faye GH, Nickel EH (1970) The effect of charge-transfer processes on the colour and pleochroism of amphiboles. Canadian Mineral 10:616-635
• Faye GH (1971) On the optical spectra of di-and trivalent iron in corundum: a discussion. Amer Mineral 56:344-348
• Faye GH (1971) A semi-quantitative microscope technique for measuring the optical absorption spectra of mineral and other powders. Canadian Mineral 10:889-895
• Faye GH, Nickel EH (1971) Pleochroism of zoisite from Tanzania. Canadian Mineralalogist 10, 812-821
• Faye GH (1972) Relationship between crystal-field splitting parameter "deltaVI" and Mhost-O bond distance as an aid in the interpretation of absorption spectra of Fe2+-bearing materials. Canadian Mineral 11:473-487
• Faye GH, Manning PG, Gosselin JR, Tremblay RJ (1974) The optical absorption spectra of tourmaline: importance of charge-transfer processes. Canadian Mineral 12:370-380
• Faye GH (1974) Optical absorption spectrum of Ni2+ in garnierite: A discussion. Canadian Mineral 12:389-393
• Faye GH (1975) Spectra of shock-affected rhodonite: a discussion. Amer Mineral 60:939-941

• Fedorovskikh YA, Shul'gin BV, Emel'chenko GA, Gavrilov FF, Ilyukhin VV (1973) Crystal structure and optical spectra of zircon. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy 9, 432-4. In Russian
  
• Fedorovskikh YA, Krasnobaev AA, Polezhaev YM (1975) Spectroscopic study of rare earth ions in zircon. Spektroskopiya Kristallov (1975), 279-80. In Russian
  
• Feneyrol J, Giuliani G, Ohnenstetter D, Rondeau B, Fritsch E, Falllick AE, Ichang'i D, Omito E, Rakotondrazafy M, Ranatsenho M, Lallier F (2014) New typology and origin of tsavorite based on trace-element chemistry. European Journal of Mineralogy 2, 203-308.
  
• Feral K (2022) Chromiuim-bearing Translucent Green Common Opal. The Journal of Gemology 38, 120-122.
  
• Ferguson J, Wood dL, van Uitert LG (1969) Crystal-field spectra of d3,7 ions. V. Tetrahedral Co2+ in ZnAl2O4 spinel. Journal of Chemical Physics 51, 2904-4909.
• Ferguson J, Fielding PE (1971) The origins of the colours of yellow, green and blue sapphires. Chem Phys Letters 10:262-265
• Ferguson J, Fielding PE (1972) The orgins of the colours of natural yellow, blue, and green sapphires. Australian J Chem 25:1371-1385
• Fielding PE (1970) The distribution of uranium, rare earths, and color centers in a crystal of natural zircon. Amer Mineral 55:428-440
• Finch AA, Friis H, Maghrabi M (2016) Defects in sodalite‑group minerals determined from X‑ray‑induced luminescence. Physics and Chemistry of Minerals 43, 481-491.
  
• Finch J, Gainsford AR, Tennant WC (1982) Polarized optical absorption and 57Fe Mössbauer study of pegmatitic muscovite. American Mineralogist 67, 59-68.
• Fisher D (2009) Brown diamonds and high pressure high temperature treatment. Lithos 112S, 619–624.
  
• Fisher D, Sibley SJ, Kelly CJ (2009) Brown colour in natural diamond and interaction between the brown related and other colour-inducing defects. Journal of Physics Condensed Matter 21, No. 36.
  
• Fontana I, Le Donne A, Palanza V, Binetti S, Spinolo G (2008) Optical spectroscopy study of type 1 natural and synthetic sapphires. Journal of Physics of Condensed Matter. 20, 125228 (5pp).
  
• Foord EE, Martin RF (1979) Amazonite from the Pikes Peak batholith. Mineralogical Record 10, 373-380; 382-384.
  
• Foord EE, Erd RC, Hunt GR (1981) New data for jeremejevite. Canadian Mineralogist 18, 303-310.
  
• Ford RJ, Hitchman MA (1979) Single crystal electronic and EPR spectra of CaCuSi4O10, a synthetic silicate containing copper(II) in a four-​coordinate, planar ligand environment. Inorganica Chimica Acta 33, L167-L170.
  
• Foster MD, Schaller WT (1966) Cause of color in wavellite from Dug Hill, Arkansas. American Mineralogist 51, 422 428.
  
• Franz G, Vyshnevskyi O, Taran M, Khomenko V, Wiedenbeck M, Schiperski F, Niissen J (2020) A new emerald occurrence from Kruta Balka, Western Peri-Azovian region, Ukraine: Implications for understanding the crystal chemistry of emerald. American Mineralogist 105, 162–181. 
• Fregola RA, Skogby H, Bosi F, D'Ippolito V, Andreozzi GB, Hålenius U (2014) Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data. American Mineralogist 99, 2187–2195.
  
• Frentrup KR, Langer K (1981) Mn3+ in garnets: optical absorption spectrum of a synthetic Mn3+-bearing silicate garnet. N Jb Miner Mh:245-256
• Frentrup KR, Langer K (1982) Microscope absorption spectrometry of silicate microcrystals in the range 40000 - 5000 cm-1 and its application to garnet end members synthesized at high pressures. In: Schreyer, W., ed.: High-Pressure Researches in Geoscience. Schweizerbart, Stuttgart, pp. 247-258.
• Fridrichová J, Bačík P, Rusinová P, Antal P, Škoda R, Bizovská V, Miglierini M (2015) Optical and crystal‑chemical changes in aquamarines and yellow beryls from Thanh Hoa province, Vietnam induced by heat treatment. Physics and Chemistry of Minerals 42, 287–302.
  
• Fridrichová J, Bacík P, Illášová L, et al. (2016) Raman and optical spectroscopic investigation of gem-quality smoky quartz crystals. Vibrational Spectroscopy, 85: 71-78.
• Fridrichová J, Bačik P, Malíčková I, Illášová L, Pulisová Z, Milovaká S (2017) Optical-spectroscopic study of gem sphalerite from Banská Štiavnica and Hodruša Hámre. Esemestnik, 6-9.
  
• Fridrichová J, Bačík P, Ertl A, Wildner M, Dekan J, Miglierini M (2018) Jahn–Teller distortion of Mn3+-occupied octahedra in red beryl from Utah indicated by optical spectroscopy. Jorunal of Molecular Structure 1152, 79–86.
  
• Fridrichová J, Bačik P, Štubňa J (2020) Sphalerite from Slovakia. The Journal of Gemmology 37, 12-13.
  
• Friend JN, Allchin JP (1939) Colour of Celestine. Nature 1939, 633.

• Fritsch E, Rossman GR (1987) An update on color in gems. Part 1: Introduction and colors caused by dispersed metal ions.” Gems & Gemology, Vol. 23, No.4, pp. 126-139.
• Fritsch E, Rossman GR (1988) An update on color in gems. Part 2: colors involving multiple atoms and color centers. Gems & Gemology 24, 3–15.
• Fritsch E, Shigley JE, Rossman GR, Mercer ME, Muhlmeister SM, Moon M (1990) Gem-quality cuprian elbaite tourmalines from Sao Jos‚ De Batalha, Para¡ba, Brazil. Gems and Gemology 26, 189-205.
• Fritsch E, Shigley JE (1991) Optical properties of some natural-color and laboratory-irradiated green to blue diamonds. New Diamond Science and Technology. Materials Research Society Int. Conf. Proc., pp. 677-681.
• Fritsch E, Shigley JE (1991) Causes of the purple and pink colours of manganoan sugilites from the Wessels mine, South Africa. Mineral Mag, 58, 681-685.
• Fritsch E, Shigley JE (1994) Causes of the purple and pink colours of manganoan sugilites from the Wessels mine, South Africa. Mineralogical Magazine 58, 681-685.
• Fritsch E, Shigley JE, Moses T, Rossman GR, Zucker B, Balfour I (1995) Examination of the twenty-two carat green chameleon diamond. In DJ Content, Ed., A Green Diamond: A study of Chameleonism, WD Maney  & Son, Leeds, 42 pp.
• Fritsch E, Hanni H, Devouard B, Chazot G, Schwarz D, Chalain JP, Giuliani G, Rollion-Bard C, Garnier V, Barda S, Ohnenstetter D, Notari F, Maitrallet P (2003) Le nouveau traitement produisant des couleurs orange à jaune dans les saphirs. Revue de Gemmologie AFG 147, 11–23.
  
• Fritsch E, Hainschwang T, Massi L, Rondeau B (2007) Hydrogen-Related Optical Centers in Natural Diamond: An Update.  New Diamond and Frontier Carbon Technology 17, 63-88.
• Fritsch E, Massi L, Rossman GR, Hainschwang T, Jobic S, Dessapt R (2007) Thermochromic and photochromic behaviour of “chameleon” diamonds. Diamond and Related Materials 16, 401-408.
• Fritsch E, Rondeau B, Hainschwang T, Quellier M-H (2007) A contribution to the understanding of pink color in diamond: The unique, historical «Grand Condé». Diamond and Related Materials 16, 1471-1474.
  
• Fritsch E, Megaw PKM, Spano TL, Chauvire B, Rondeau B, Gray M, Hainschwang T, Renfro N (2015) Green-luminescing hyalite opal from Zacatecas, Mexico. The Journal of Gemmology 34, 490-508.
  
• Fritsch E, Delaunay A (2018) What truly characterises a chameleon diamond? An exampleof an atypical 25.85 ct stone. The Journal of Gemmology 36, 142-151.
  

• Fontana I, Le Donne A, Palanza V, Bineti S, Spinolo G (2008) Optical spectroscopy study of type 1 natural and synthetic sapphires. Journal of Physics Condensed Matter 20:125228-125232
• Foster MD, Schaller WT (1966) Cause of colors in wavellite from Dug Hill Arkansas. American Mineralogist 51, 422-428.

• Frost RL, Palmer SJ, Reddy BJ (2008) The structure of mimetite, arsenian pyromorphite and hedyphane –a Near Infrared spectroscopic study. Polyhedron 27, 1747-1753.
• Frost RL, Reddy BJ, Dickfos MJ (2008) An application of near-infrared and mid-infrared spectroscopy to the study of uranyl selenite minerals: derriksite, demesmaekerite, guilleminite and haynesite. Journal of Near Infrared Spectroscopy 16, 455-469.
• Frost RL, Reddy BJ, Keeffe EC (2008) An application of the near infrared spectroscopy to the study of the selenite minerals: chalcomenite, clinochalcomenite and cobaltomenite. Journal of Near Infrared Spectroscopy 16, 399-407.
• Frost RL, Keeffe EC, Reddy BJ (2009) An application of near-infrared and midinfrared spectroscopy to the study of selected tellurite minerals: xocomecatlite, tlapallite and rodalquilarite. Transition Metal Chemistry, 34, 23-32.
• Frost RL, Keeffe EC, Reddy BJ (2010) Characterisation of Ni carbonate-bearing minerals by UV-Vis-NIR spectroscopy. Transition Metal Chemistry 35, 279-287.
• Frost, Ray L, Reddy BJ, Keeffe EC (2010) An application of near-infrared and mid-infrared spectroscopy to the study of selected minerals. Radiation Effects and Defects in Solids, 165(3). pp. 193-205.
• Frost RL, Reddy BJ, Keeffe EC (2010) Spectroscopy of selected copper group minerals: Chalcophyllite and chenevixite-implications for hydrogen bonding. Spectrochimica Acta Part A 77, 388–396.

• Fujii AT, Isotani S (1983) Comparative study of five varieties of spodumene through optical absorption. Report (1983), (IFUSP-P-437), 33 pp.
• Fujii AT, Isotani S (1988) Optical absorption study of five varieties of spodumene. Anais da Academia Brasileira de Ciencias 60(2), 127-35