Gummite
A material that is NOT an approved mineral species
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About Gummite
Colour:
Orange, yellow, orange-red, red-brown, brown-black, black
Lustre:
Vitreous, Waxy, Greasy, Dull
Hardness:
2½ - 5
Specific Gravity:
3.9 - 6.4
Name:
In allusion to the gum-like or rubber-like (rubber = gummi in German) appearance of some early material.
A Mixture Of:
A mixture of uraninite and secondary uranium minerals of variable composition.
Unique Identifiers
Mindat ID:
1774
Long-form identifier:
mindat:1:1:1774:5
GUID
(UUID V4):
(UUID V4):
89079bab-9111-4067-8847-8f908d5adb14
Pronunciation of Gummite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Gummite
Vitreous, Waxy, Greasy, Dull
Transparency:
Translucent
Colour:
Orange, yellow, orange-red, red-brown, brown-black, black
Streak:
Yellow, brownish, olive-green
Hardness:
2½ - 5 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Conchoidal
Density:
3.9 - 6.4 g/cm3 (Measured)
Synonyms of Gummite
Other Language Names for Gummite
Varieties of Gummite
| Coracite | Probably uraninite partly altered to gummite. |
| Yttrogummite | A yttrium (REE)-bearing variety of gummite. Contains relatively large amounts of the yttrium earths. A alteration product of yttrian uraninite. |
Common Associates
Associated Minerals Based on Photo Data:
| 129 photos of Gummite associated with Uraninite | UO2 |
| 39 photos of Gummite associated with Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| 21 photos of Gummite associated with Cyrtolite | Zr[(SiO4),(OH)4] |
| 20 photos of Gummite associated with Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| 17 photos of Gummite associated with Clarkeite | (Na,Ca,Pb)(UO2)O(OH) · 0-1H2O |
| 14 photos of Gummite associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
| 12 photos of Gummite associated with Pitchblende | UO2 |
| 8 photos of Gummite associated with Zircon | Zr(SiO4) |
| 7 photos of Gummite associated with Parauranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| 6 photos of Gummite associated with Curite | Pb3(H2O)2[(UO2)4O4(OH)3]2 |
Other Information
Health Risks:
Contains uranium - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest. Avoid prolonged exposure in proximity of the body. Store away from inhabited areas.
Internet Links for Gummite
mindat.org URL:
https://www.mindat.org/min-1774.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Gummite
Reference List:
Localities for Gummite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Victorio Angelelli (1958) +1 other reference |
| Victorio Angelelli (1958) |
| Victorio Angelelli (1958) | |
| Victorio Angelelli (1958) |
| American Mineralogist: 46: 12-25. | |
| Blasón et al. (Ed. E. O. Zappettini) |
| Galliski (1983) |
| Victorio Angelelii (1958) |
| Raúl Jorge Tauber Larry +1 other reference | |
| María Elena SAULNIER y Orqídea ... |
| Raul Tauber Larry collection |
Australia | |
| R.E Brown and W.J Stroud |
| Giblin (2005) |
| Lawrence L.J. et al. Econ Geol. 52 |
| SA Geodata Database - Mineral Deposit ... |
| Coats & Blissets 1971 Bull 43 +1 other reference | |
| SA Geodata Database - Mineral Deposit ... |
| |
| South Australian Museum collections / ... +3 other references |
| |
| 1983 | |
| Bottrill et al. (2008) |
Austria | |
| Niedermayr et al. (1995) |
| Meixner (1952) +1 other reference |
Brazil | |
| Cassedanne et al. (1999) |
Canada | |
| Montgomery (n.d.) |
| Manitoba MINERAL INVENTORY FILE NO. 502 |
| Manitoba MINERAL INVENTORY FILE NO. 503 | |
| Manitoba MINERAL INVENTORY FILE NO. 065 | |
| Manitoba MINERAL INVENTORY FILE NO. 242 | |
| Manitoba MINERAL INVENTORY FILE NO. 057 | |
| |
| Lang (1952) |
| Johnston |
| Robertson (1976) |
| Ontario Geological Survey Miscellaneous ... +1 other reference |
| Ellsworth |
| Rocks & Min. 40 (7) |
| Hugh S. Spence (1930) |
| Ng et al. (2013) |
| Jeremy Zolan |
| Tremblay (1978) | |
| Rich et al. (1977) |
| Tremblay (1978) | |
Chile | |
| C. Ruiz Fuller/F. Peebles (1988) |
| C. Ruiz Fuller/F. Peebles (1988) | |
China | |
| Yang et al. (2017) |
| Dahlkamp (2009) |
Czech Republic | |
| Reuss (1859) |
| Plášil et al. (2009) |
| Viktor Goliáš et al. (2016) |
DR Congo | |
| www-pub.iaea.org (2023) |
| Gécamines (1977) |
| Lapis 17 (3) |
Egypt | |
| El-Naby (2009) |
| Hussein et al. (1988) | |
Finland | |
| en.gtk.fi (2010) |
France | |
| J.-J. Périchaud: "Les Minéraux ... |
| J.-J. Périchaud: Les Minéraux d'Auvergne et al. (1986) |
| J.-J. Périchaud: "Où trouver les minéraux d'Auvergne" et al. (Clermont-Ferrand) +1 other reference |
| |
| Chollet Pascal Collection |
| OLLIC Pascal Collection +1 other reference |
| OLLIC Pascal Collection |
| Schillinger et al. (2001) |
| ... |
| R.PIERROT et al. (1973) |
| R.PIERROT et al. (1973) |
| R.PIERROT et al. (1973) |
| R. Pierrot |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot |
| R. Pierrot |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot | |
| R. Pierrot |
| R. Pierrot |
| R. Pierrot |
| R. Pierrot |
| R. Pierrot | |
| R. Pierrot | |
| J. Chervet |
| AFM 1-2002 |
| perso.wanadoo.fr (2004) |
| - (1998) | |
| - (1998) |
| - (1998) | |
| |
| Econ Geol (1997) |
| |
| - (1998) |
| - (1998) |
| J. Geffroy |
| R. Pierrot |
Germany | |
| Falkenstein (2010) |
| DILL et al. (1986) |
| N. Jb. Miner. Abh. 115 (1971) |
| Lapis 17 (12) |
| Stark (2011) |
| Lapis 30 (7/8) |
| Gröbner et al. (2007) +1 other reference |
India | |
| Tilak et al. (1963, January) |
Italy | |
| De Vivo et al. (1980) +1 other reference |
| Ravagnani D. (1974) |
| Ravagnani (1974) |
| Ravagnani (1974) |
| . Ravagnani - I giacimenti uraniferi ... |
| Maglia (1972) +1 other reference |
| Stara (1990) |
| Daniele Ravagnani - I giacimenti ... |
Japan | |
| King (n.d.) |
| Alfredo Petrov specimen (ex-Kotaro Watanabe collection) |
Madagascar | |
| Behier (1963) |
| Behier (1960) | |
| Behier (1963) | |
| Behier (1963) |
Morocco | |
| Favreau (2012) |
Namibia | |
| von Bezing (2007) |
| Irene M. Abraham (2009) | |
New Zealand | |
| Cohen et al. (1967) |
Norway | |
| Nordenskiöld (1878) |
| Info. board at the mine |
| Bjørlykke (1939) |
| field collected by Knut Eldjarn |
| Larsen et al. (2016) |
Peru | |
| Li (2016) |
Poland | |
| Mochnacka et al. (2012) |
| Mochnacka et al. (2000) |
| Banaś 1970: Wstępne dane o ... +1 other reference |
| Lis et al. (1986) | |
| Mochnacka et al. (2000) | |
| Lis et al. (1986) | |
| Traube (1888) | |
| Mochnacka et al. (2000) +1 other reference | |
| Mochnacka et al. (2000) +1 other reference | |
| Mochnacka et al. (2015) |
| pl.wikipedia.org (2006) |
| Mochnacka et al. (2000) |
| Syczewski et al. (2023) | |
| Lis et al. (1986) |
Portugal | |
| LNEG - Laboratório Nacional de Energia ... |
| LNEG Siorminp database information |
| LNEG - Laboratório Nacional de Energia ... |
| LNEG FILES |
| LNEG - Laboratório Nacional de Energia ... |
| |
| |
| LNEG - Laboratório Nacional de Energia ... |
| LNEG - Laboratório Nacional de Energia ... | |
Russia | |
| Izbrodin et al. (2010) |
| Pavel.M. Kartashov (n.d.) |
| Pavel.M. Kartashov (n.d.) | |
Rwanda | |
| Bertossa (1968) +1 other reference |
Slovenia | |
| Dolenec (1985) |
South Africa | |
| Baldwin (1994) |
Spain | |
| Econ Geol (1994) |
| Mata i Perelló (1990) |
Switzerland | |
| De Quervain (1965) |
UK | |
| Alysson Rowan collection |
USA | |
| - (2008) |
| - (2008) | |
| - (2008) +1 other reference |
| Galbraith (1959) +1 other reference |
| Bollin et al. (1958) |
| Robinson (1955) +1 other reference |
| Walker et al. (1956) +2 other references |
| MacKevett et al. (1960) +1 other reference |
| Anonymous (1954) +1 other reference |
| Walker et al. (1956) +1 other reference |
| Van Nostrand Reinholt Press: 329. +2 other references |
| Walker et al. (1956) +1 other reference |
| Nevada Bureau of Mines and Geology NBMG ... |
| Murdoch (1966) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Hanley et al. (1950) +1 other reference |
| Hanley et al. (1950) +1 other reference | |
| Meeves et al. (1966) | |
| Eckel et al. (1997) | |
| Eckel et al. (1997) |
| Eckel et al. (1997) +1 other reference | |
| Eckel et al. (1997) |
| Eckel et al. (1997) | |
| Januzzi et al. (1976) |
| J. Zolan Specimen #93 |
| Januzzi et al. (1976) |
| Januzzi et al. (1976) |
| Bill Barret Coll. Specimen |
| Schooner (circa 1980s) +1 other reference |
| Rutley (1900) | |
| Schooner (1947) |
| Heinrich et al. (1953) |
| Bastin (1911) |
| King (ed.) |
| King et al. (1994) |
| Cameron +1 other reference |
| P. Cristofono collection |
| King et al. (1994) |
| Cameron +2 other references |
| "Western Massachusetts Mineral ... |
| Plante (1992) |
| - (1917) |
| - (1917) |
| Travis Olds collection +1 other reference |
| USGS Bull 988G +1 other reference |
| Meschter (1953) +4 other references |
| NBMG Bull 59 Geology and Mineral ... |
| Castor et al. (2004) | |
| Nevada Bureau of Mines and Geology ... +1 other reference |
| Holmwood (2023) |
| Johnson (1977) |
| NBMG Bull 70 Geology and Mineral ... |
| NBMG Bull 70 Geology and Mineral ... |
| Sharon Cisneros |
| Rocks & Min.: 15: 124. | |
| Smith (2005) |
| Rocks & Min.: 14:252. |
| USGS Prof Paper 353 +3 other references |
| Smith (2005) +1 other reference |
| Meyers et al. (1956) |
| Smith (2005) | |
| |
| The Iron Mines of NJ (1910) |
| Northrop et al. (1996) |
| Kittel (1966) |
| NMBMMR Memoir 15 Geology and Technology ... | |
| NMBMMR Memoir 15 Geology and Technology ... | |
| NMBMMR Memoir 15 Geology and Technology ... | |
| NMBMMR Memoir 15 Geology and Technology ... | |
| Edward C. Bingler (1968) +1 other reference |
| NMBMMR Bull 87 Mineral and Water ... |
| Northrop et al. (1996) |
| Jahns (1946) +1 other reference | |
| Manchester (1931) | |
| Anon (1888a) +1 other reference |
| NY State Museum spec. no. 13932 |
| Manchester (1931) |
| Manchester (1931) | |
| Wood (1996) |
| www.excaliburmineral.com |
| NCGS Information Circular 24 +1 other reference | |
| Genth | |
| U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System (Mas/Mils) |
| Smithsonian Institution Mineral ... | |
| Genth (1891) |
| Smithsonian Institution Mineral ... | |
| Roger Howell Collection | |
| U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System (Mas/Mils) | |
| Mineral Commodity Files | |
| Rocks & Min.:11:77 +2 other references |
| Smithsonian Institution Mineral ... |
| The American Mineralogist +1 other reference |
| Ross (1937) | |
| Rocks & Min.: 11:76. | |
| U.S Bureau of Mines /Spatial Data from the Minerals System/Mineral Industry Location System (Mas/Mils) |
| Rocks and Minerals (1985) |
| Lemanski collection (8161CL) |
| Samuel G. Gordon (1922) |
| USGS Prof Paper 297F. +1 other reference |
| Smith et al. (2000) |
| Smith et al. (2000) |
| Smith et al. (2000) |
| Crook (1977) |
| USGS Bulletin 340 (1908) +1 other reference |
| Self-collected by Franklin Roberts. |
| Self-collected by David Aldridge |
| Bullock (1981) |
| Carter et al. (1965) +1 other reference |
| Valentine et al. (1956) +1 other reference |
| Derkey et al. (1990, November) +1 other reference |
| Cannon (1975) | |
| Rocks & Minerals 76:385 |
| Rocks & Minerals 76:386 |
| Rocks & Minerals 76:388 +1 other reference |
Kjørstad, Bamble, Telemark, Norway