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Limonite is yellow-orange-brown iron ore commonly used in prehistoric pigments. When ground, limonite produces yellow ochre and darker, earthy tones. Heated, the ore changes partially to hematite, and therefore can also be used to produce red ochres and red-hued browns.
- Mortar with Limonite
Description: Stone paint mortar with limonite. Dimensions: 3.7 cm tall, 6.3 cm diameter. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card - mortar, catalog card - limonite).