Peridot
A variety of Forsterite
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About Peridot
Formula:
Mg2SiO4
Name:
According to Wikipedia, the origin of the name peridot is uncertain. The Oxford English Dictionary suggests an alteration of Anglo-Norman pedoretés (classical Latin pæderot-), a kind of opal, rather than the Arabic word faridat, meaning "gem". The Middle English Dictionary's entry on peridot includes several variations: peridod, peritot, pelidod and pilidod — other variants substitute y for the letter i used here.
The earliest use of the word in English is possibly in the 1705 register of the St. Albans Abbey: The dual entry is in Latin with the translation to English listed as peridot. It records that on his death in 1245, Bishop John bequeathed various items, including peridot gems, to the Abbey.
The earliest use of the word in English is possibly in the 1705 register of the St. Albans Abbey: The dual entry is in Latin with the translation to English listed as peridot. It records that on his death in 1245, Bishop John bequeathed various items, including peridot gems, to the Abbey.
Visit gemdat.org for Unique Identifiers
Mindat ID:
7710 (as Peridot)
1584 (as Forsterite)
1584 (as Forsterite)
Long-form identifier:
mindat:1:1:7710:7 (as Peridot)
mindat:1:1:1584:0 (as Forsterite)
mindat:1:1:1584:0 (as Forsterite)
Chemistry of Peridot
Mindat Formula:
Mg2SiO4
Element Weights:
Elements listed:
Synonyms of Peridot
Other Language Names for Peridot
Common Associates
Associations Based on Photo Data:
| 55 photos of Peridot associated with Magnetite | Fe2+Fe3+2O4 |
| 52 photos of Peridot associated with Ludwigite | Mg2Fe3+(BO3)O2 |
| 18 photos of Peridot associated with Forsterite | Mg2(SiO4) |
| 5 photos of Peridot associated with 'Fayalite-Forsterite Series' | |
| 4 photos of Peridot associated with Calcite | CaCO3 |
| 1 photo of Peridot associated with 'IIE iron meteorite' | |
| 1 photo of Peridot associated with 'Pallasite meteorite' | |
| 1 photo of Peridot associated with Talc | Mg3Si4O10(OH)2 |
| 1 photo of Peridot associated with Hercynite | Fe2+Al2O4 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Peridot
mindat.org URL:
https://www.mindat.org/min-7710.html
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References for Peridot
Reference List:
Farrell, E. F., Newnham, R. E. (1965) Crystal-field spectra of chrysoberyl, alexandrite, peridot and sinhalite. American Mineralogist, 50 (11-12) 1972-1981
Cooper, S. B. Nikon (1976) Peridot — The Green Stone. The Journal of Gemmology, 15 (1) 24-26 doi:10.15506/jog.1976.15.1.24
Koivula, John I. (1981) San Carlos Peridot. Gems & Gemology, 17 (4) 205-214 doi:10.5741/gems.17.4.205
Localities for Peridot
Showing 67 localities.
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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.
Australia | |
| Potergeo Database |
Brazil | |
| Bulanova et al. (2010) |
| Sauer (1982) |
| Sauer (1982) | |
Cambodia | |
| Austin (November–December 2005) | |
Canada | |
| Can.Rockhound v.3 no.1 |
| Schiarizza et al. (2006) |
| www.alpinegems.net | |
China | |
| ... | |
| Rui Liu (2001) |
| Li et al. (2024) |
Egypt | |
| Gübelin et al. (1976) +1 other reference |
Ethiopia | |
| Solomon Tadesse (2009) |
Finland | |
| Järvinen et al. (2019) |
France | |
| Belot (1978) |
| SIG Mines France - Echantillon n° ... |
| Pegere (2004) |
| Chauris L. (1982) |
| Belot (1978) |
| J-F LANOE |
Indian Ocean | |
| Wang et al. (2018) |
Italy | |
| Zaccarini et al. (2004) |
| Dr Heinrich Locker specimens |
Kyrgyzstan | |
| Kievlenko et al. (2003) |
Myanmar | |
| Themelis (2008) |
| Themelis (2008) | |
| Themelis (2008) | |
| Harlow G1 (2014) | |
| Kyaw Thu (2007) +2 other references | |
| Shigley et al. (2000) | |
Norway | |
| Garmo (2006) |
| Garmo et al. (2017) |
| Grande (1987) |
| Rune S. Selbekk (2010) |
| Garmo (2013) | |
| Garmo (2013) | |
| Garmo (2013) |
| Augsten (2014) | |
| Stuart Mills 17.11.2002 |
Pakistan | |
| Zafar et al. (2025) |
| gemexplorer.org (2012) |
| Jan et al. (1996) +1 other reference | |
Philippines | |
| Huang (2011) |
Russia | |
| Gübelin et al. (1976) |
| Ashchepkov et al. (2021) |
South Korea | |
| s.j.kim. science of mineral | |
Spain | |
| Alejandro Sánchez Jiménez |
| Klügel A et al. (Canary Islands) |
| Stoppa et al. (2012) |
| Joaquim Mollfulleda |
Tanzania | |
| Kingiti (Mpwampwa) |
| Kent et al. (2002) | |
USA | |
| Bromfield (1956) |
| Bromfield (1956) | |
| Peterson et al. (1981) | |
| Min News (1992) |
| Merrill |
| Nekkhi Murtishi |
| Gübelin et al. (1976) | |
| Albert Russ collection |
| Gübelin et al. (1976) | |
| Stuart Herring Collection |
| Northrop et al. (1996) |
| gsa.confex.com (n.d.) |
| W. Dan Hausel (2004) | |
Vietnam | |
| Pham Van Long et al. (2004) |
| Pham Van Long et al. (2004) |
Sapat Gali, Naran, Kaghan Valley, Mansehra District, Khyber Pakhtunkhwa Province, Pakistan