Definition

Noun: 1. A mineral: A pink to red mineral that is a carbonate of manganese (MnCO₃). It is a significant source of the element manganese. 2. A gemstone: When found in high quality with a deep, transparent red color, it is cut and polished for use in jewelry.

Usage Examples

• As a mineral:
  • The mine is a primary source of rhodochrosite and other manganese ores.
  • Geologists identified the banded pink stone as rhodochrosite.
• As a gemstone:
  • Her necklace featured a beautiful cabochon of rhodochrosite.
  • Collectors seek the rare, gem-quality rhodochrosite from Argentina.

Advanced Usage

• In mineralogy: The term is used specifically to describe the trigonal crystalline form of manganese carbonate. Its characteristic pink color is due to the presence of manganese ions.
  • The specimen's perfect rhombohedral cleavage is typical for rhodochrosite.

Variants and Related Words

• Manganese carbonate: The chemical compound (MnCO₃) that constitutes rhodochrosite.
• Inca Rose: A commercial and historical name for banded rhodochrosite, often from Argentina.

Synonyms

• Manganese spar (an older, less common name in mineralogy)

Notes on Meaning

The word "rhodochrosite" consistently refers to the specific mineral manganese carbonate. Its two primary contexts are: 1. Industrial/Geological: Emphasizing its role as an ore of manganese. 2. Lapidary/Collector: Emphasizing its aesthetic value as a decorative stone or gem material.

Noun

1. a mineral consisting of manganese carbonate; a source of manganese