Olmiite, Calcite
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Olmiite on calcite, 4.5 cm, from the N’Chwaning II mine, Kalahari Manganese Field, near Kuruman, Northern Cape Province, South Africa. Photo by Jeff Scovil.
Product details
Species
SizeMiniature
Dimensions4.5 cm
Added on02/13/2026
Publications
- Mineralogical Record Mineral Collections In Arizona page 187
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Mineral guide
Learn about Olmiite
from South Africa’s Kalahari Manganese Field is a manganese silicate prized for warm apricot hues, ember glow, and radial clusters on dark matrix.
Regional guide

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