Erica Ash arrives at the BET Awards at the Microsoft Theater on Sunday, June 24, 2018, in Los Angeles. (Photo by Willy Sanjuan/Invision/AP Photo)

Taylor Swift arrives at the American Music Awards on Tuesday, October 9, 2018, at the Microsoft Theater in Los Angeles. (Photo by Mike Blake/Reuters)

American actress Sydney Sweeney arrives at the premiere of “Immaculate”, Friday, March 15, 2024, in Los Angeles. (Photo by Jordan Strauss/Invision/AP Photo)

English singer and songwriter Becky Hill arrives for the BRIT Awards at the O2 Arena in London, Britain, on March 2, 2024. (Photo by Maja Smiejkowska/Reuters)

An employee works on the automobile assembly line of a Citroen C3 car at the PSA Peugeot Citroen plant in Poissy, near Paris, France, April 29, 2015. PSA Peugeot Citroen said on Wednesday its revenue rose in the first quarter as the recovering French carmaker's efforts to raise prices helped offset weaker volumes. (Photo by Benoit Tessier/Reuters)

People walk in the rainstorm as typhoon Lekima approaches in Shanghai, China on August 10, 2019. The death toll from Typhoon Lekima rose to 49 on August 13 and 21 were still missing after the monster storm wreaked havoc on China's eastern coast, causing huge damage with strong gales and torrential rain. (Photo by Aly Song/Reuters)

Rose-ringed Parakeets roost in a copse in Wormwood Scrubs Park on December 6, 2011 in London, England. Approximately 2,500 parakeets roost in the copse at the centre of Wormwood Scrubs which has been designated by English Nature as an important site of natural significance. (Photo by Oli Scarff/Getty Images)

Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO3. In its (rare) pure form, it is typically a rose-red color, but impure specimens can be shades of pink to pale brown. It streaks white, and its Mohs hardness varies between 3.5 and 4. Its specific gravity is between 3.5 and 3.7. It crystallizes in the trigonal system, and cleaves with rhombohedral carbonate cleavage in three directions.