Manganese carbonate with distinctive pink to rose-red color. The banded variety from Argentina is prized for decorative use. Color: Pink, rose-red, raspberry. Luster: Vitreous to pearly. Streak: White. Cleavage: Perfect rhombohedral. Hardness: 3.5-4. Transparency: Translucent to opaque. Crystal system: Hexagonal Trigonal. Chemical formula: MnCO₃. Specific gravity: 3.45-3.70. Formation: Forms in hydrothermal veins associated with silver-lead-zinc deposits and in metamorphic manganese deposits. Common geological settings: Argentina Capillitas mine , USA Colorado , South Africa, Peru; found in hydrothermal veins. Common look-alikes and related entries: Rhodonite, Rose Quartz, Morganite.
These authoritative resources support category-level nomenclature, terminology, identification methods, and safety. When a specimen-specific safety warning appears, the public-health source listed here directly supports that precaution. They are not line-by-line citations for every other property on this entry, and natural specimens vary.
Editorial owner
GeoMiner
Last updated
2026-03-30T14:37:01.940243+00:00
Review status
Published; not independently peer-reviewed
IMA–CNMNC List of Mineral Names — International Mineralogical Association. Official mineral-name, nomenclature, and classification records.
Mineral ID Key — Mineralogical Society of America. Physical-property identification methods, repeat-testing guidance, and limitations.
Manganese carbonate with distinctive pink to rose-red color. The banded variety from Argentina is prized for decorative use.
How can you identify Rhodochrosite?
Compare several properties rather than relying on colour alone. This entry records colour: Pink, rose-red, raspberry; lustre: Vitreous to pearly; streak: White; Mohs hardness: 3.5-4; cleavage: Perfect rhombohedral; crystal system: Hexagonal Trigonal; transparency: Translucent to opaque. Confirm an important identification with additional field tests or qualified laboratory work.
How does Rhodochrosite form?
Forms in hydrothermal veins associated with silver-lead-zinc deposits and in metamorphic manganese deposits.
Where is Rhodochrosite commonly found?
Argentina Capillitas mine , USA Colorado , South Africa, Peru; found in hydrothermal veins.
What is Rhodochrosite commonly confused with?
Rhodochrosite may be confused with Rhodonite, Rose Quartz, Morganite. Compare multiple diagnostic properties because colour and surface appearance can overlap.
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