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Minerals reported from Gunma prefecture, Japan
- 331 mineral species (290 approved species, 41 varieties and groups), 18 geological substances
- First description in the world: 4 species.
- First description in Japan: 23 species
Mineral species and geological substances reported from Gunma prefecture in citable journal papers and books. The list includes approved minerals, varieties, field names, group names, and organic matters.
Photographs of outcrops and minerals in Gunma prefeture
- Previous works
- 7 approved species; Tsunashiro Wada, Nihon kobutsu-shi, Japan, 275p. (1904)
- 13 approved species; Kotora Jimbo, Nobuyo Fukuchi, and Tozo Takimoto, Nihon kobutsu-shi, 2nd ed., Japan, 357p. (1916)
- Year of the first description (XXX indicates ubiquitous minerals but no description was found), Mineral name, Comments
- Comments: Type loc. (First description in the world), 1st (First description in Japan), 2nd (Second description in Japan), ..., Discreded (Misidentified description)
- 1896, Actinolite
- 1981, Adularia
- 1932, Aegirine-augite
- 1978, Agate
- 1954, Alabandite
- 2001, Alacránite, Alacranite, 1st
- 1934, Albite
- 1960, Allanite-(Ce)
- 1962, Alleghanyite
- 1970, Allophane
- 1972, Almandine
- 1875, Alum-(K)
- 1986, Alumohydrocalcite
- 1947, Alunite
- 1963, Alunogen
- 1986, Ammonioleucite, Type loc.
- 1942, Amphibole supergroup
- 1905, Analcime
- 1962, Anatase
- 1955, Andalusite
- 1953, Andradite
- 1947, Anglesite
- 1990, Anhydrite
- 1960, Annabergite
- 1943, Anorthite
- 1965, Anthophyllite
- 2005, Antimony, 1st
- 1942, Antigorite
- 1942, Apatite group, Mostly Fluorapatite
- 1904, Aragonite
- 1987, Ardennite-(V), 2nd
- 1955, Argentite
- 1947, Arsenic
- 2022, Arsenolite
- 1956, Arsenopyrite
- 1895, Augite, 1st
- 1967, Autunite
- 2010, Awaruite
- 2004, Axinite-(Fe)
- 1952, Axinite-(Mn)
- 1904, Baryte, Barite
- 1972, Barroisite, 2nd
- 2011, Beudantite
- 1894, Biotite series
- 2015, Bismite
- 1982, Bismuth
- 1973, Bismuthinite
- 2015, Bismutite
- 1942, Bornite
- 2021, Boulangerite
- 1947, Bournonite
- 1952, Braunite
- 1977, Breithauptite
- 2006, Brucite, The description in 1955 is doubtful.
- 1973, Bustamite
- 1940, Bytownite
- 1898, Calcite
- 2017, Cannizzarite
- 2005, Carminite
- 1962, Caryopilite
- 2011, Cassiterite
- 1984, Celadonite
- 1940, Cerussite
- 1896, Chabazite series
- 1939, Chalcedony
- 1942, Chalcocite
- 1894, Chalcopyrite
- 2024, Chamosite
- 1932, Chlorite group
- 1982, Chondrodite
- 1949, Chromite
- 2008, Chrysocolla
- 1939, Chrysotile
- 1942, Clinochlore, as Pennine
- 1981, Clinojimthompsonite, 1st
- 1961, Clinoptilolite series
- 1939, Clinozoisite, Thulite
- 2010, Clinozoisite-(Sr), Niigataite
- 1977, Cobaltite
- 1889, Cordierite, 2nd
- 1951, Corundum
- 1960, Cosalite, 1st
- 1899, Covellite, 1st
- 1985, Crandallite, 1st
- 1958, Cristobalite
- 1989, Crossite
- 1984, Cummingtonite
- 1982, Cymrite
- 1984, Datolite
- 1982, Dawsonite
- 2011, Descloizite
- 1942, Diallage
- 2009, Diaspore
- 1991, Dickite
- 1980, Digenite
- 1942, Diopside
- 2013, Dmisteinbergite, 1st
- 1982, Dolomite
- 1987, Dravite
- 1955, Dumortierite
- 1982, Dypingite
- 1898, Feldspar group
- 2021, Ferberite
- 2024, Ferro-actinolite
- 2002, Ferro-edenite
- 2024, Ferro-ferri-hornblende, 2nd
- 2002, Ferro-hornblende
- 2002, Ferro-pargasite
- 1943, Ferrosaponite
- 1982, Ferro-taramite, 3rd
- 2008, Fluorapatite
- 1900, Fluorite
- 1932, Forsterite
- 1940, Fuchsite
- 1962, Galaxite
- 1894, Galena
- 1898, Garnet group
- 1960, Gersdorffite
- 1982, Gibbsite
- 1932, Glaucophane
- 1957, Goethite
- 1947, Gold
- 2022, Gorceixite, 2nd
- 2021, Goyazite, 4th
- 1900, Graphite
- 2017, Gratianite, 1st
- 1982, Grossular
- 1900, Gypsum
- 1948, Halloysite-7Å
- 1943, Halloysite-10Å, 1st, Discovered in 1940.
- 1973, Halotrichite
- 2002, Hastingsite
- 2008, Hauerite, Doubtful
- 1962, Hausmannite
- 1948, Hedenbergite
- 1980, Helvine, The description in 1966 is doubtful.
- 1932, Hematite
- 1951, Hemoilmenite, 1st
- 1957, Heulandite series
- 1936, Hisingerite, 2nd
- 1900, Hornblende series, Mostly Magnesio-hornblende
- 1998, Huangite, 1st
- 1958, Hübnerite, Hubnerite
- 1998, Hyalite
- 1962, Hyalophane
- 1982, Hydromagnesite
- 2011, Hydroxylapatite
- 1982, Hydroxystibioroméite, Hydroxystibioromeite, Stibiconite
- 1934, Hypersthene
- 2017, Ikunolite
- 1967, Illite series
- 1932, Ilmenite
- 1970, Imogolite
- 2017, Ingodite
- 2009, Interstratified minerals
- 1967, Interstratified minerals (Chlorite/Montmorillonite)
- 1984, Interstratified minerals (Chlorite/Smectite)
- 1967, Interstratified minerals (Illite/Montmorillonite)
- 1958, Interstratified minerals (Sericite/Montmorillonite), 2nd
- 1984, Interstratified minerals (Sericite/Smectite), 3rd
- 2010, Iron
- 1973, Jacobsite
- 1965, Jadeite
- 1947, Jarosite
- 1998, Jasper
- 1967, Jimboite, 2nd
- 1981, Johannsenite
- 2021Jordanite, 4th
- 1982, Joséite, Joseite
- 2008, Joséite-B, Joseite-B
- 2022, Kaňkite, Kankite, 4th
- 1918, Kaolinite
- 2011, Katophorite
- 1986, Kenoargentotetrahedrite-(Fe)
- 1929, Kermesite, 2nd
- 2021, Kiryuite, Type loc.
- 2010, Magnesiofoitite
- 2005, Magnesio-hornblende
- 1974, Magnesio-riebeckite
- 1875, Magnetite
- 1982, Malachite
- 1965, Manganoan calcite
- 1957, Mangano-cummingtonite
- 1973, Mangano-grunerite
- 1954, Manganosite
- 1954, Marcasite
- 2011, Melanotekite, 1st
- 1953, Melanterite
- 1973, Miargyrite
- 1967, Microcline
- 1942, Millerite
- 2003, Mimetite
- 1982, Minamiite, 1st
- 1957, Molybdenite
- 1963, Molysite, Doubtful
- 1938, Montmorillonite
- 1964, Mordenite
- 2011, Mottramite
- 1927, Muscovite
- 1980, Nagashimalite, Type loc.
- 1982, Natroalunite
- 1905, Natrolite
- 1952, Neotocite
- 1996, Nesquehonite
- 1960, Nickeline
- 1952, Nontronite, as Iddingsite
- 1982, Nordstrandite, 1st
- 1997, Nsutite
- 2015, Paragonite
- 2005, Pararealgar, 1st
- 1949, Pargasite
- 1986, Pearceite
- 2002, Pennantite
- 1949, Pentlandite
- 2021, Pharmacosiderite
- 1974, Phengite series, 3rd
- 2012, Philipsbornite
- 1949, Phlogopite
- 2011, Phosphohedyphane, 1st
- 1937, Piemontite
- 1990, Pigeonite
- 1916, Plagioclase series
- 1968, Polybasite
- 1941, Polydymite, 3rd
- 1964, Prehnite
- 1986, Proustite
- 1977, Pseudobrookite, 2nd
- 1942, Pumpellyite-(Al), 3rd
- 1973, Pyrargyrite
- 1894, Pyrite
- 1980, Pyrochroite
- 1932, Pyrolusite
- 2010, Pyromorphite
- 1962, Pyrophanite
- 1955, Pyrophyllite
- 1895, Pyroxene
- 1960, Pyroxmangite
- 1916, Pyrrhotite
- 1916, Realgar
- 1963, Retgersite, Doubtful
- 1952, Rhodochrosite
- 1952, Rhodonite group
- 1972, Riebeckite
- 1980, Roscoelite, 2nd
- 1973, Rozenite, 2nd
- 1955, Rutile
- 1968, Saponite
- 1917, Scheelite
- 1999, Schwertmannite, 1st
- 1979, Scolecite
- 2021, Scorodite
- 2021, Seligmannite, 1st
- 1982, Sénarmontite, Senarmontite
- 1900, Serpentine
- 1997, Shungite, 1st
- 1901, Siderite
- 1986, Silver
- 1988, Smectite group
- 1966, Sonolite
- 1957, Spessartine
- 1894, Sphalerite
- 1951, Spinel
- 2005, Stevensite
- 1927, Stibnite
- 1939, Stilbite series
- 1989, Stilpnomelane
- 1999, Strengite
- 1875, Sulphur
- 1980, Sussexite
- 1982, Suzukiite, 2nd
- 1900, Talc
- 1982, Tennantite series
- 2021, Tennantite-(Zn), 3rd
- 1954, Tephroite
- 2017, Tetradymite
- 1914, Tetrahedrite series
- 2020, Tetrahedrite-(Zn), 1st
- 1971, Thomsonite-Ca
- 1932, Titanaugite
- 1942, Titanite
- 1969, Todorokite
- 2012, Topaz
- 1939, Tourmaline supergrouup
- 1942, Tremolite
- 1894, Tridymite, 2nd
- 2022, Triplite, 3rd
- 2021, Triploidite, 2nd
- 1968, Wairakite
- 1970, Wakabayashilite, Type loc.
- 2011, Willemite, 2nd
- 1989, Winchite
- 1967, Wiserite, 2nd
- 1983, Witherite
- 1982, Wollastonite
- 1985, Woodhouseite, 1st
- 2008, Wurtzite
- 1951, Orbicular igneous rocks
- 1998, Orbicular rhyolite
- 1978, Accretionary lapilli
- 1953, Obsidian
- 1989, Orthoquartzite
- 1899, Limonite
- 1891, Asbestos
- 1910, Stalactite
- 1978, Phosphorite, Guano
- 1953, Clay silicate
- 1897, Calcareous sinter (Travertine)
- 1952, Silicified wood
- 1949, Diatomite
- 1896, Coal
- 1953, Peat
- 1978, Charcoal
- 1897, Petroleum