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X = Ca, Fe, etc.
Z = Al, Cr, etc.
Named Carchedonius Garamanticus = Carthaginian or Garamantic Carbuncle in 77-79 by Pliny the Elder. Earlier named ΑνθραϪέ by Tyrtamus, commonly known by his honorary name, Theophrastus, possibly about 325-300 BCE, but seemingly a name also used for ruby spinel and red-pink sapphires.
Named from granatum (a pomegranate) for its resemblance to seeds of this fruit.
The classical name for a group of silicate minerals with the same structure.
Not to be confused with the garnet structural group which on Mindat is defined as a larger group of minerals with the same type of crystal structure as that of the classical garnet minerals, but including minerals that are not silicates.

In traditional and petrological use the name 'garnet' usually refers to these six minerals:

Traditional garnet species

Grossular Ca3Al2(SiO4)3
Uvarovite Ca3Cr2(SiO4)3

Visit for gemological information about Garnet.

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Chemical Properties of GarnetHide


X = Ca, Fe, etc.
Z = Al, Cr, etc.

Age informationHide

Age range:
Neoarchean to Neogene : 2640 ± 11 Ma to 5 Ma - based on data given below.
Sample ages:
Sample IDRecorded ageGeologic TimeDating method
1160.8 ± 2.4 MaJurassicSm-Nd
2300 to 5 MaPhanerozoicRb-Sr
32620 ± 36 MaNeoarcheanSm/Nd
42626 ± 18 MaNeoarcheanSm/Nd
52640 ± 11 MaNeoarcheanSm/Nd
Sample references:
1Shizhuyuan Mine, Dongpo ore field, Yizhang Co., Chenzhou Prefecture, Hunan Province, ChinaYuan, S., Peng, J., Hu, R., Li, H., Shen, N., & Zhang, D. (2008) A precise U–Pb age on cassiterite from the Xianghualing tin-polymetallic deposit (Hunan, South China). Mineralium Deposita, 43(4), 375-382.
2Tyrnyauz Mo-W deposit, Baksan Valley, Kabardino-Balkarian Republic, Northern Caucasus Region, RussiaChernyshev, I.V., Bairova, E.D., Goltsman, Yu. V., Ivanova, G.F., & Lebedev, V.A. (1998). SOURCES OF SUBSTANCE AND CHRONOLOGY OF PROCESSES FOR FORMATION OF GIANT DEPOSITS OF TUNGSTEN: ISOTOPE-GEOHRONOLOGICAL INVESTIGATION. Newsletter of the Russian Foundation for Basic Research, 6.
3Mount Deans pegmatite field, Norseman, Dundas Shire, Western Australia, AustraliaTkachev A V (2011): Evolution of metallogeny of granitic pegmatites associated with orogens throughout geological time. Geological Society, London, Special Publications, 350, 7-23.
4Corinthia Gold Mine, Southern Cross, Yilgarn Shire, Western Australia, Australia  "  "
5Westonia, Westonia Shire, Western Australia, Australia  "  "

Synonyms of GarnetHide

Other Language Names for GarnetHide

Simplified Chinese:石榴子石

Relationship of Garnet to other SpeciesHide

Group Members:
Polyadelphite Ca3Fe3+2(SiO4)3Iso. m3m (4/m 3 2/m)

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Garnet in petrologyHide

References for GarnetHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Geiger, C. A. (2013): Garnet: A key phase in nature, the laboratory, and technology. Elements 9, 447-452.
Galoisy, L. (2013): Garnet: From stone to star. Elements 9, 453-456.
[For further references see "Garnet Structural Group" page.]

Internet Links for GarnetHide

Localities for GarnetHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListShow