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.

Jassen Todorov, 40, from San Francisco is a professor of music at San Francisco State University, but he took to helicoptering in his spare time. While he was content to keep the panoramic views he witnessed to himself, Todorov has now paired his passion for flying with photography to capture some of the United States’ undiscovered vistas. Here: Grand Prismatic Spring, Yellowstone, Wyoming. (Photo by Jassen Todorov/Caters News)

Steam emerges from a cooling tower of the nuclear power plant Leibstadt near Leibstadt, Switzerland, November 18, 2014. (Photo by Arnd Wiegmann/Reuters)

Mohammed Al-Shinbari, 24, balances objects using what he calls a mix of mind and body, in his family house in Beit Hanun town in the northern Gaza Strip, 30 November 2019. Al-Shinbari says he can put almost any object in balance. (Photo by Mohammed Saber/EPA/EFE)

In this photograph taken on August 20, 2022 a woman dances with a child alongside the Garonne river in Toulouse, southern France. (Photo by Charly Triballeau/AFP Photo)

People make a heart shaped gesture as they look at the first sunrise of the year during New Year's celebrations at a park on January 1, 2023 in Seoul, South Korea. Seoul's New Years celebrations returns this year after it was cancelled during the Covid Pandemic. (Photo by Chung Sung-Jun/Getty Images)

A French bulldog wears a costume at the annual Pet Expo 2021 in Bangkok, Thailand on November 25, 2021. (Photo by Athit Perawongmetha/Reuters)

Balinese man dances in the middle of burn coconut husks during the fire fight ritual called Mesabatan Api on March 21, 2023 at traditional sub village of Nagi, in Gianyar, Bali, Indonesia. The mesabatan api ritual is held annually on the eve of Nyepi, the Hindu Day of Silence, the Balinese Caka New Year, and only takes place in Pakraman Nagi village in Gianyar regency, around 30 kilometers from Denpasar. (Photo by Agung Parameswara/Getty Images)