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  • Mineral Type - Garnet Group - All

Mineral Type - Garnet Group - All

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.

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.

Chemical Properties

Formula: X3Z2(SiO4)3

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

Age Distribution

Recorded ages: Neoarchean to Neogene : 2640 ± 11 Ma to 5 Ma - based on 5 recorded ages

Varieties

Traditional garnet species :
Almandine Fe2+3Al2(SiO4)3,
Pyrope Mg3Al2(SiO4)3,
Spessartine Mn2+3Al2(SiO4)3,
Andradite Ca3Fe3+2(SiO4)3,
Grossular Ca3Al2(SiO4)3, and
Uvarovite Ca3Cr2(SiO4)3

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Natural Demantoid Garnet On Matrix Specimens x 6 From Green Dragon Mine, Erongo Namibia

Natural Demantoid Garnet On Matrix Specimens x 6 From Green Dragon Mine, Erongo Namibia

R 552.00 ZAR
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Natural Demantoid Garnet On Matrix Specimens x 4 From Green Dragon Mine, Erongo Namibia

Natural Demantoid Garnet On Matrix Specimens x 4 From Green Dragon Mine, Erongo Namibia

R 483.00 ZAR
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Natural Large Demantoid Garnet On Matrix Specimens x 2 From Green Dragon Mine, Erongo Namibia

Natural Large Demantoid Garnet On Matrix Specimens x 2 From Green Dragon Mine, Erongo Namibia

R 423.00 ZAR
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Natural Medium Demantoid Garnet On Matrix x 3 From Green Dragon Mine, Erongo Namibia

Natural Medium Demantoid Garnet On Matrix x 3 From Green Dragon Mine, Erongo Namibia

R 615.00 ZAR
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Natural Demantoid Garnet On Matrix Specimens x 12 From Green Dragon Mine, Erongo Namibia

Natural Demantoid Garnet On Matrix Specimens x 12 From Green Dragon Mine, Erongo Namibia

R 506.00 ZAR
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Natural Small to Large Blue Kyanite In Quartz With Pyrope Garnet Specimens x 3 From Karoi, Zimbabwe

Natural Small to Large Blue Kyanite In Quartz With Pyrope Garnet Specimens x 3 From Karoi, Zimbabwe

R 851.00 ZAR
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Natural Extra Large Specimen Demantoid Garnet On Matrix x 1 From Erongo, Namibia(Green Dragon Mine)

Natural Extra Large Specimen Demantoid Garnet On Matrix x 1 From Erongo, Namibia(Green Dragon Mine)

R 1,035.00 ZAR
Natural Pyrope Garnet Crystals in Matrix x 4 from Madagascar

Natural Pyrope Garnet Crystals in Matrix x 4 from Madagascar

R 814.00 ZAR
Natural Large Pyrope Garnet in Matrix Specimens x 2 from Madagascar

Natural Large Pyrope Garnet in Matrix Specimens x 2 from Madagascar

R 451.00 ZAR
Natural Largest Garnet in Matrix Specimens x 6 from Madagascar

Natural Largest Garnet in Matrix Specimens x 6 from Madagascar

R 1,408.00 ZAR

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