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Garnet

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Formula:
X3Z2(SiO4)3
X = Ca, Fe, etc.
Z = Al, Cr, etc.
Name:
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

MineralFormula
AlmandineFe2+3Al2(SiO4)3
PyropeMg3Al2(SiO4)3
SpessartineMn2+3Al2(SiO4)3
AndraditeCa3Fe3+2(SiO4)3
Grossular Ca3Al2(SiO4)3
Uvarovite Ca3Cr2(SiO4)3


Visit gemdat.org for gemological information about Garnet.


Chemical Properties of Garnet

Formula:
X3Z2(SiO4)3

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

Synonyms of Garnet

Other Language Names for Garnet

Basque:Granate
Catalan:Granat
Danish:Granat
Dutch:Granaat
French:Grenat
German:Granat
Italian:Granato
Polish:Granat
Romanian:Granat
Simplified Chinese:石榴子石
石榴石
Spanish:Granate

Common Associates

Associated Minerals Based on Photo Data:
Quartz93 photos of Garnet associated with Quartz on mindat.org.
Muscovite42 photos of Garnet associated with Muscovite on mindat.org.
Diopside30 photos of Garnet associated with Diopside on mindat.org.
Magnetite28 photos of Garnet associated with Magnetite on mindat.org.
Epidote28 photos of Garnet associated with Epidote on mindat.org.
Mica Group27 photos of Garnet associated with Mica Group on mindat.org.
Kyanite26 photos of Garnet associated with Kyanite on mindat.org.
Calcite22 photos of Garnet associated with Calcite on mindat.org.
Vesuvianite21 photos of Garnet associated with Vesuvianite on mindat.org.
Schorl20 photos of Garnet associated with Schorl on mindat.org.

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.

Garnet in petrology

An essential component of (items highlighted in red)
Common component of (items highlighted in red)

References for Garnet

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 Garnet

mindat.org URL:
https://www.mindat.org/min-10272.html
Please feel free to link to this page.
Specimens:
The following Garnet specimens are currently listed for sale on minfind.com.

Localities for Garnet

Mineral and/or Locality  
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