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.

Shetland ponies wearing cardigan sweaters are the official ambassadors of Visit Scotland tourism campaign. Photographer Rob McDougall captured two cute ponies named Fivla and Vitamin dressed in traditional Fair Isle Scottish cardigans to celebrate the Year of Natural Scotland.Their onesies were made out of Shetland wool by a local knitter Doreen Brown. The ponies live at the Thordale Shetland Stud Centre.

A dancer from the Trisha Brown Dance Company performs during “Roof Piece” above the High Line park June 9, 2011 in New York City. Roof Piece (1971) consists of nine dancers performing improvised movement signals to each other in a chain on various rooftops overlooking the city. This presentation marked the first full performance of the piece since 1973. (Photo by Mario Tama/Getty Images)

A bully greenfinch (left) got its comeuppance when a small but fiery dunnock (right) defended itself with its talons in Suffolk, United Kingdom on April 18, 2022. The smaller bird was perched peacefully before the finch burst onto the scene and aggressively squared up to the dunnock. But as the finch tried to peck at the dunnock, the small brown bird expertly used its foot to slam its mouth shut. (Photo by Paul Sawer/Solent News & Photo Agency)

The original first mechatronic E.T. character from Steven Spielberg's 1982 film “E.T. the Extra Terrestrial” on display at Julien's Auctions in Beverly Hills, California on December 12, 2022, ahead of the “Julien's Auctions and TCM Present: Icons & Idols: Hollywood”. The auction will take place in-person and online on December 17 and 18. (Photo by Frederic J. Brown/AFP Photo)

A Christmas Tree goes up in flames in a controlled-setting demonstration by the Glendale Fire Department on December 13, 2023, in Glendale, California. Firefighters showed how quickly a dried-out tree can ignite. According to the National Fire Protection Administration, Christmas trees account for hundreds of fires each year, often ignited by shorts in electrical lights or open flames from candles, lighters or matches. (Photo by Frederic J. Brown/AFP Photo)