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Rhodochrosite Mineral

Rhodochrosite

Alternate Names

Manganese Carbonate

Manganese Spar

Dialogite

Pigment Description

In stone form it's a gorgeous mineral that ranges from opaque pink to red. Sometimes it can also be transparent. As a powder it tends to be a pale pink. It is a source of manganese, so handle with care. A bit more technical information may be found from Kremer Pigments.

Resources

CAMEO Materials Database: Conservation & Art Materials Encyclopedia Online, Museum of Fine Arts Boston. (n.d., accessed June 2025). Rhodochrosite https://cameo.mfa.org/wiki/Rhodochrosite. Museum of Fine Arts Boston.

Reyes, Mark G.G. (2024, August 3). All About Colored Stones: Rhodochrosite https://www.igi.org/colored-stones-rhodochrosite/. International Gemological Institute

Stats

Lightfastness

Excellent

Excellent, with highest marks (all 8's) on the BWS

Toxicity

Potential hazard. Toxic by inhalation, also contains manganese

Contains manganese. Toxic by inhalation. We have heard anecdotal horror stories of working with manganese in powdered form. Please consult health and safety experts for handling. Treat all pigments and paints with studio safety protocols.

Chemical Name

Manganese carbonate

MnCO₃

with Rhodochrosite (Rhodochrosite Mineral)
No single-pigment Oil found with Rhodochrosite

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