Alphabetical Listing for K

• Kaewtip M, Limtrakun P (2016) Gemological and Chemical Characteristics of Green Tourmaline from Madagascar, Mozambique, and Tanzania. Walailak Journal of Science & Techology 13, 985-992.
• Kai AT, Larsson S, Hålenius U (1980) The electronic structure and absorption spectrum of MnO69- octahedra in manganian andalusite. Phys Chem Minerals 6:77-84
• Kamikawa T, Kazumatat Y, Kikuchi A, Ozawa K (1966) The F center in calcium fluoride. Physics Letters 21, 126-128.
• Kane RE (1983) The Ramaura synthetic ruby. Gems and Gemology 1983:130-148
• Kapitonov MD, Sergeev VM (1974) Crystallomorphology, nature of the color, and genesis of calcite from the Tetiukhe ore field. Dokl Akad Nauk SSSR 219:433-436 (in Russian)
• Karampelas S, Al-Shaybani B, Mohamed F, Sangsawong S, Al-Alawi A (2019) Emeralds from the most important occurrences: Chemical and spectroscopic data. Minerals 9, 561
• Karickhoff SW, Bailey GW (1973) Optical absorption spectra of clay minerals. Clays Clay Minerals 21:59-70
• Karr C (1975) Infrared and Raman Spectroscopy of Lunar and Terrestrial Minerals. Academic Press, New York
• Kato K, Sugitani Y, Nagashima, K (1974) Absorption spectrum of a new barium vanadyl silicate BaVOSi2O6. Mineral J 7:421-430
• Keester KL, White WB (1968) Crystal-field spectra and chemical bonding in manganese minerals. Proceedings of the General Meeting of the International Mineralogical Association, 5th, 1966, 22-35. Mineralogical Society of London, London, England
• Kempe H, Plötze M, Brachmann A, Böttcher R (2002) Stabilisation of divalent rare earth elements in natural fluorite. Mineralogy and Petrology 76:213-234
• Kempe U, Thomas SM, Geipel G, Thamas R, Plötze M, Blöttcher R, Grambole G, Hoentsch J, Trinkler M (2010) Optical absorption, luminescence and electron paramagnetic resonance (EPR) spectroscopy of crystalline to metamict zircon: Evidence for formation of uranyl, manganese and other optically active centers. American Mineralogist 95, 335-347.
• Kempe U, Trinkler M, Poeppl A, Himcinschi C (2016) Coloration of natural zircon. Canadian Mineralogist 54, 635-660.
• Kennedy SJ (1986) Seiko synthetic emerald. Journal of Gemmology 20, 14-17.
• Keppler H, McCammon CA, Rubie DC (1994) Crystal-field and charge-transfer spectra of (Mg,Fe)SiO₃ perovskite. American Mineralogist 79, 1215–1218.
• Keppler H, McCammon CA (1996) Crystal field and charge transfer spectrum of (Mg,Fe)SiO3 majorite. Phys Chem Mineral 23:94-98
• Keppler H, Smyth JR (2005) Optical and near infrared spectra of ringwoodite to 21.5 GPa: Implications for radiative heat transport in the mantle. American Mineralogist 90, 1209-1212.
• Keppler H, Kantor I, Dubrovinsky LS (2007) Optical absorption spectra of ferropericlase to 84 GPa. American Mineralogist 92, 433-436.
  
• Keppler H , Dubrovinsky LS, Narygina O, Kantor I, (2008) Optical Absorption and Radiative Thermal Conductivity of Silicate Perovskite to 125 Gigapascals. Science 322, 1529-1532.  
  
• Kersten M, Langer K, Almen H, Tillmanns E (1988) The polarized single crystal spectra and structures of thetic thulite and piemontites, Ca2Al3-pMn3+[O/OH/SiO/SiO], with 0.5 < p < 1.6. Zeitschrift für Kristallographie 185, 111.
• Khaibulin RI, Lopatin ON, Vagizov FG, Bazarov VV, Bakhtin AI Khaibulin IB, Aktas B (2003) Coloration of natural beryl by iron ion implantation. Nuclear Instruments and Methods in Physics Research B 206, 277–281.
• Khan RUA, Martineau PM, Cann BL, Newton ME, Twitchen DJ (2009) Charge transfer effects, thermo and photochromism in single crystal CVD synthetic diamond. Journal of Physics Condensed Matter 21, 364214-364223.
• Khisina NR, Langer K, Partzsch G (1992) Effect of Fe3+-Bearing Point Defects on the UV-Spectra of two Natural Olivines. Physics and Chemistry of Minerals 18, 514-516.
  

• Khomenko VM, Platonov AN(1981) Experimental quantitative assessment of the pleochromism of minerals (as exemplified by clinopyroxenes). Mineralogicheskii Zhurnal 3, 3-11. In Russian
• Khomenko VM, Platonov AN, Matsyuk SS, Kharkiv AD (1982) Colouring and pleochroism of clinopyroxenes from deep inclusions in the "Mir" kimberlite pipe. Mineral Zhurnal:4, 41-51 (in Russian)
• Khomenko VM, Platonov AN (1982) Some crystal-chemical aspects of pleochroism of iron-containing clinopyroxenes. Mineral. Zh. 1982:38-45 (in Russian)
• Khomenko VM, Polshin EV, Platonov AN, Buchinskaya NI (1983) Optical and Moessbauer spectroscopy of iron in pyroxenes of the acmite-​salite series. Mineralogicheskii Zhurnal 5, 47-60. (in Russian).
• Khomenko VM, Platonov AN, Pol'shin EV, Siroshtan RI, Polovko NI (1983) Complex study of high-iron orthopyroxenes by the methods of colorimetry, optical and Moessbauer spectroscopy. Edited By Sidorenko AV, Rundkvist DV. Probl. Kristallokhim. Genezisa Miner. (1983), 60-70. In Russian
• Khomenko VM, Matsyuk SS (1984) Optical absorption spectra of enstatites from "Mir" and "Obnazhennaya" kimberlite pipes.Kristallokhimiya i Spektroskopiya Mineralov, Kiev (1984), 49-58. (In Russian)
• Khomenko VM, Platonov AN (1984) Optical-spectroscopic parameters of iron(2+) M2 ions as indicators of the composition of orthopyroxenes. Mineralogicheskii Zhurnal 6, 18-28. In Russian
• Khomenko VM ,Platonov AN,Matsyuk SS (1984) Isomorphism of chromium in enstatites of deep-​seated parageneses (according to optical spectroscopy data). Geokhimiya (1984), (6), 842-848. (In Russian)
• Khomenko VM, Platonov AN, Pol'shin EV, Venidiktov VM, Shcherbakov IB (1984) Nature of pleochroism in aluminous orthopyroxenes. Mineralogicheskii Zhurnal 6, 24-32. In Russian
• Khomenko VM, Platonov AN (1985) Electronic absorption spectra of Cr3+ ions in natural clinopyroxenes. Phys Chem Minerals 11:261-265
• Khomenko VM, Platonov AN (1985) Rock forming pyroxenes: optical spectra, color and pleochroism. Kiev, Naukova Dumka (in Russian)
• Khomenko VM, Platonov AN (1985) Optical-spectroscopic parameters of Fe2+(M2) in the enstatite-diopside-hedenbergite-ferrosilite system, Mineralogicheskiy Zhurnal:7, 3-8 (in Russian).
• Khomenko VM, Litvin, MA, Platonov AN (1986) Charge-transfer bands of iron(2+) ion → iron(3+) ion in the optical spectra of amphiboles: Crystal-chemical factors in their control. Mineralogicheskii Zhurnal 8, 3-11. (In Russian)
• Khomenko VM, Platonov AN (1986) Crystal chemistry of transition-metal ions in titaniferous pyroxenes. Geokhimiya 6, 780-786 (in Russian). Translation: GeoChem Internat 24:30-35 (1987)
• Khomenko VM, Platonov AN, Steshin VA (1986) Structure and formation conditions of blue color centers in diopsides from skarns. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 115, 689-98. (In Russian)
• Khomenko VM, Platonov AN (1987) Porodoobrazuyushchie Pirokseny: Opticheskie Spektry, Okraska i Pleokhroizm. (Rock-Forming Pyroxenes: Optical Spectra, Color, and Pleochroism) 216 pp. Publisher: Naukova Dumka, Kiev (in Russian)
• Khomenko VM, Grinchenko VF, Platonov AN, Zinchenko OV (1988) Nature and typomorphism of the color of biotite from granitic complexes (as exemplified by the northwestern Ukranian Shield). Mineralogicheskii Zhurnal 10:23-31 (in Russian)
• Khomenko VM, Bonev I, Mincheva-Stefanova I, Platonov AN (1988) Optical spectra of rhodonites from the skarn ore deposits of Central Rhodope, Bulgaria. Geokhim Mineral Petrolog 24:28-40 (in Russian)
• Khomenko VM, Grinchenko VF, Platonov AN (1988) Nature of the color of biotite from granitic rocks of the northwestern Ukrainian Shield. Doklady Akad Nauk Ukrain SSR, Ser B: Geolog, Khim Biol Nauki 1988:29-32 (in Russian)
• Khomenko VM, Platonov AN, Shcherbakov IB, Belevtsev RY, Belichenko VP (1989) Color of biotite as an indicator of facies metamorphism conditions. Mineralogicheskii Zhurnal 11:36-44 (in Russian)/
• Khomenko VM, Galiy SA, Kogut KV, Grinchenko VF (1991) Geneticheskiye aspekty opticheskoy spektroskopii porodoobrazuyushchikh temnotsvetnykh mineralov mafit-ul'tramafitovykh kompleksov severo-zapada Ukrainskogo shchita. [Genetic aspects of optical spectroscopy of rock-forming dark-colored minerals of mafic-ultramafic complexes of the southwestern Ukrainian Shield.] Mineralogicheskiy Zh 13, 22-30.
• Khomenko VM, Platonov AN, Krasnova NI (1991) Optical properties of phlogopites from the Kovdor Massif. Izves Akad Nauk SSSR, Ser Geologich (1991) 12:94-105
• Khomenko VM, Langer K, Woodland AB, Andrut M (1993) Optical absorption spectra of synthetic skiagite (Fe2+3Fe2+2Si3O12) and natural Fe2+, Fe3+-bearing garnets. Terra abstracts 5, 491.
• Khomenko VM (1994) Optical absorption spectra of rock-forming biotites and phlogopites. Abstract: 16th General Meeting of the Internationall Mineralogical Association 16, 202.
• Khomenko VM, Langer K, Andrut M, Kochmuller M, Vishnevsky AA (1994) Single crystal absorption spectra of synthetic Ti, Fe-substituted pyropes. .Physics and Chemistry of Minerals21:434-440
• Khomenko VM, Langer K, Fett A (1996) Electronic absorption by Ti3+ and Ti3+ Ti4+ charge transfer in synthetic blue rutile. Mineralogicheskii Zhurnal 18:12-17
• Khomenko VM, Platonov AN (1996) The influence of the O-O edge distances on the Fe2+-Fe3+ charge gransfer bnds energies in amphiboles. .Physics and Chemistry of Minerals 23:243
• Khomenko VM, Langer K, Rager H, Fett A (1998) Electronic absorption by Ti3+ ions and electron delocalization in synthetic blue rutile. .Physics and Chemistry of Minerals 25:338-346
• Khomenko VM, Langer K, Geiger CA (2001) Structural locations of the iron ions in cordierite: a spectroscopic study. Contributions to Mineralogy and Petrology 141:381-396
• Khomenko VM, Langer K, Wirth R, Weyer B (2002) Mie scattering and charge transfer phenomena as causes of the UV edge in the adsorption spectra of natural and synthetic almandine garnets. Physics and Chemistry of Minerals 29, 201-209.
• Khomenko VM, Langer K, Wirth R (2003) On the influence of wavelength-​dependent light scattering on the UV-​VIS absorption spectra of oxygen-​based minerals: a study on silicate glass ceramics as model substances.Physics and Chemistry of Minerals 30, 98-107.
• Khomenko VM (2011) Mie - scattering caused by nanoinclusions and connected effects in optical absorption spectra of minerals: theory and experiment.Mineralogichnii Zhurnal 33, 27-38. (In Russian)
  

• Kibar R, Garcia-Guinea J, Cetin A,  Selvi S, Karal T, Can N (2007) Luminescent, optical and color properties of natural rose quartz. Radiation Measurements 42, ‏ 1610-1617.
• Kiefert L, Schmetzer K, Krzemnicki MS, Bernhardt HJ, Hänni HA (1996) Sapphires from Andranondambo area, Madagascar. J Gemm 25:185-209
• Kiefert L. Schmetzer K (1987) Blue and yellow sapphire from Kaduna Province, Nigeria. Journal of.Gemmolpgy 20, 427–442.
• Kiefert L, Wang C, Sintayehu T, Link K (2020) Sunstone labradorite-bytonite from Ethiopia. The Journal of Gemmology 35, 694-696.
• Kim SK, Choi HM, Kim YC, Watbanakul P, Leelawatanasuk T, Atsawatanapirom N, Ounorn P, Lhuaamporn T (2016) HPHT-treated blue sapphire: An update. The Journal of Gemmology 35,  208-210.
• King JM, Shigley JE, Guhin SS, Gelb TH, Hall M (2002) Characterization and grading of natural-color pink diamonds. Gems and Gemology 38, 128-147.
• King JM, Shigley JE, Gelb TH, Guhin SS, Hall M, Wang W (2005) Characterization and grading of natural-color yellow diamonds. Gems and Gemology 41, 88-115.
• Kisliuk P, Krupke WF (1965) Exchange Interactions Between Chromium. Ions in Ruby. Journal of Applied Physics 36, 1025-1026.
  
• Kitawaki H, Hisanaga M, Yamamoto M, Emori K (2015) Type 1b yellow to brownish yellow CVD synthetic diamonds seen at CGL. The Journal of Gemmology 34, 594-604.
  
• Kiziyarov GP, Tatarinov AV, Platonov AN, Belichenko VP, Zavyalova LA (1976) First find of gem-grade jadeitite in western Sayan. Fiz. Miner. Probl. Tipomorfizma, Mater. Vses. Konf. (1976), 52-65. In Russian
• Kleber w, Weiner KL (1958) Comparative crystallographic studies of the orthorhombic phosphates and arsenates of the type Y(ZO4)​·2H2O.Neues Jahrbuch fuer Mineralogie, Abhandlungen, 90, 253-284.
• Kleim W, Lehmann G (1979) A reassignment of the optical absorption bands in biotites. Phys Chem Minerals 4:65-75
• Klima RL, Pieters CM, Dyar MD (2007) Characterization of the 1.2 μm M1 pyroxene band: Extracting cooling history from near-IR spectra of pyroxenes and pyroxene-dominated rocks. Meteoritics & Planetary Science 43, 1591-1604.
  
• Klima RL, Pieters CM, Dyar MD (2007) Spectroscopy of synthetic Mg-Fe pyroxenes I: Spin-allowed and spin-forbidden crystal field bands in the visible and near-infrared. Meteoritics & Planetary Science 42, 235-253.
  
• Klinger M, Kempe U, Pöppl A, Böttcher R, Trinkler M (2012) Paramagnetic hole centres in natural zircon and zircon colouration. European Journal of Mineralogoy 24, 1005-1016.
  
• Klokishner S, Behrens M, Reu O, Tzolova-Muller G, Girgsdies F, Trunschke A, Schlogl R (2011) Cation Ordering in Natural and Synthetic (Cu_1-​xZn_x)​₂CO₃(OH)₂ and (Cu_1-​xZn_x)₅(CO₃)​₂(OH)₆. Journal of Physical Chemistry A, 115, 9954-9968.  
  
• Koch-Mueller M, Abs-Wurmbach I, Rhede D, Kahlenberg V, Matsyuk S (2007) Dehydration experiments on natural omphacites: qualitative and quantitative characterization by various spectroscopic methods. Physics and Chemistry of Minerals 34, 663-678.
  
• Köhler P, Amthauer G (1979) The ligand field spectrum of Fe3+ in garnets. J Solid State Chem 28:329-343
• Kondo D, Beaton D (2009) Hackmanite/sodalite from Myanmar and Afghanistan. Gems & Gemology 45, 38-43.
  
• Konovalenko SI, Vakhtin AI, Lopatin ON (1991) The colour nature of coloured and polychromic tourmalines from the miarolic pegmatites in the southwestern Pamir (in Russian). Mineralogichesky Zhurnal 13:54-62
• Kotarski AJ (1991) Defects in calcite. Report (USNA-TSPR-181;  No. AD-A245645), 121 pages.
  
• Koumvakalis N (1980) Defects in crystalline SiO2: Optical absorption of the aluminum-associated hole center. Journal of Applied Physics 51, 5528-5531.
  
• Kozlovskii VK, Kuznetsova NN, Snopko YP (1969) Nature of yellow color in Iceland spar crystals and mechanisms of their decoloration. Tr Vses Nauch-Issled Inst Sin Miner Syr'ya 10:118-129 (in Russian)
• Koziarska B, Godlewski M, Suchocki A (1994) Optical properties of zoisite. Physical Review B 50: 12297-12300.
• Krambrock K, Pinheiro MVB, Guedes KJ, Medeiros SM, Schweizer S, Spaeth JM (2004) Correlation of irradiation-induced yellow color with the O- hole center in tourmaline. Physics and Chemistry of Minerals 31, 168-175.
  
• Krambrock K, Ribeiro LGM, Pinheiro MVB, Leal AS, Menezes MAdeBC, Spaeth JM (2007) Color centers in topaz: comparison between neutron and gamma irradiation. Physics and Chemistry of Minerals 34, 437–444.
  
• Krambrock K, Guedes KJ,  Pinheiro MVB (2008) Chromium and vanadium impurities in natural green euclase and their relation to the color.  Physics and Chemistry of Minerals 35, 409–415.
  
• Krambrock K, Guedes KJ, Pinheiro MVB, Xavier RC, Ravares MC, Guimaraes GM, Fantini C, Pimenta MA, Filho LADM (2009) Characterization of colored tourmalines of uvite / dravite series from Arumado district, Bahia, Brazil. Estudos Geológicos 19, 145-149.
• Krambrock K, Gulmaraes FA, Pinheiro MVB, Paniago R, Righi A, Persiano AIC, Karfunkel J, Hoover DB (2013) Purplish-red almandine garnets with alexandrite-like effect: causes of colors and color-enhancing treatments. Physics and Chemistry of Minerals 40, 555-562.
  
• Krasilshchikova OA, Platonov AN, Tarashchan AN (1974) On color centers in natural fluorites. Mineralogicheskii Sbornik (Lvov) 28, 31-40. In Russian
• Krasil'shchikova OA, Platonov AN, Povarennykh AS (1975) Optical absorption spectrum of erbium(3+) in thalenite. Dopovidi Akademii Nauk Ukrains'koi RSR, Seriya B:  Geologiya, Geofizika, Khimiya ta Biologiya (1975), (12), 1079-1080. (In Ukranian)
  
• Krasilshchikova OA, Platonov AN (1980) Attempt at a colorimetric study of natural fluorites. Mineralogicheskii Zhurnal 2, 53-63
• Krasnlvshchikova OA, Tarschan AN, Platonov AN (1986) The color and luminescence of natural fluorites. Kiev Naukova Dumka. 224 pages.
• Krasilshchikova OA, Tarashchan AN, Nechaev SV (1992) Fluorite in the formation analysis (Mineralization of the Ukrainian Shield). Mineralogichesky Zhurnal 14:13-35 (in Russian)
• Krasilshchikova OA, Tarashchan AN, Nechaev SV (1993) Fluorite in formational analysis (Ore deposits of Scandinavia) Mineralogichesky Zhurnal 15:75-84 (in Russian)
• Krebs JJ, Maisch WG (1971) Exchange effects in the optical-absorption spectrum of Fe3+ in Al2O3. Phys Review B, 757-769.
• Kreibig U, Vollmer M (1995) Optical properties of metal clusters. Springer: Berlin/Heidelberg, Germany.
  
• Krzemnicki MS, Hänni HA, Guggenheim G, Mathys D (1996) Investigations on sapphires from an alkali basalt, South West Rwanda. J Gemmology 25:90-106
• Krzemnicki MS, Hänni HA, Reusser E (2001) Colour-change garnets from Madgascar: comparison of colorimetric with chemical data. J Gemmology 27:395-408
• Krzemnicki MS (2017) New sapphires from Ambatondrazaka, Madagascar. The Journal of Gemmology 35, 391-392.
• Krzemnicki MS, Klumb A, Braun J (2018) Unstable colouration of padparadscha-like sapphires. The Journal of Gemmology 36, 346-354.
• Krzemnicki MS, Butini F, Butini E, De Carolis E (2020) Gemmological Analysis of a Roman Sapphire Intaglio and its Possible Origin. The Journal of Gemmology 36, 710-724.
• Krezmnicki MS, Wang HAO, Büche S (2021) A new type of emerald from Afghanistan’s Panjshir Valley. Journal of Gemmolgy 37, 474-495.
• Krzemnicki MS, Wang HAO (2022) Paraiba or not? Cu-bearing Tourmaline with a Distinct Fe Concentration. The Journal of Gemmology 38, 20-22.
• Krzemnicki MS, Leuenberger A, Balmer W (2023) Cobalt-bearing Blue Spinel from Lukande, near Mahenge, Tanzania. The Journal of Gemmology 38, 474-493.
  
• Kruzslicz ÁB, Nasdala L, Wildner M, Škoda R, Redhammer GJ, Hauzenberger C, Wantanachaisaeng B (2020) Black spinel - a gem material from Bo Ploi, Thailand. The Journal of Gemmology 37, 66-79.
• Kueck S, Petermann K, Pohlmann U, Huber G (1996) Electronic and vibronic transitions of the Cr4+-​doped garnets Lu3Al5O12, Y3Al5O12, Y3Ga5O12 and Gd3Ga5O12. Journal of Luminescence 68, 1-14.
• Kulis J (1999) Trace element control on near-infrared transparency of pyrite. Unpublished M.S. thesis, Socorro, New Mexico Institute of Mining and Technology, 271 pages
• Kurtz DA, Rossman GR, Hunter BM (2020) The nature of the Mn(III) color centers in elbaite tourmaines. Inorganic Chemistry 59, 9618-9626.
• Kvapil J., Perner B., Súlovský J., Kvapil J. (1973) Colour centre formation in corundum doped with divalent ions. Kristall und Technik, 8, 247–251.
• Kvasnitsa VN, Taran MN, Smirnov GI, Legkova GV, Vuiko VI (1988) Violet-​red zircon from kimberlite. Mineralogicheskii Sbornik (Lvov) 42, 12-17. In Russian.