Ettringite - image 1

Ettringite

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A crust of super-bright yellow crystals of the rare (in crystals) mineral ettringite (Hydrated Calcium Aluminum Sulfate Hydroxide), which forms as a precipitate from hydrothermal solutions. It is best-known and has been found in its best specimens at this locality.

Product details

SpeciesEttringite
SizeThumbnail
Dimensions2.3 x 1.4 x 0.7 cm
Added on10/23/2024
LocalitySouth Africa, Northern Cape, Wessels Mine

Known provenance

DateCollectorAcquisition price
08/2024Unknown OwnerNot disclosed
—The ArkenstoneNot disclosed

Learn more

Ettringite
Mineral guide
Learn about Ettringite
lemon-yellow hexagonal prisms; a fragile hydrated sulfate with notable localities like Kalahari and Eifel, Crestmore, prized by collectors.
Ettringite
Regional guide
Ettringite from Wessels Mine, South Africa
from Wessels Mine, South Africa — a defining Kalahari Manganese Field mineral with lemon-yellow crystals and strong collecting appeal.