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Geology

@geologytime.bsky.social

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Unlocking science of #Minerals, #Crystals, #fossils, gems, and geology.

  1. Behold an extraordinary artifact from the Qing Dynasty—a stunning rose quartz incense burner that hails from the illustrious Qianlong Reign (1736-1796 CE). Now proudly showcased at the Nanjing Museum in China #quartz

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  2. Peridotite is a dense, coarse-grained ultramafic igneous rock that forms deep within the Earth’s mantle. Dominated by the mineral olivine, with significant amounts of pyroxenes and accessory phases such as spinel, garnet,

    www.geologyin.com/2025/09/peri...

    Peridotite  is a dense, coarse-grained ultramafic igneous rock  that forms deep within the Earth’s mantle. Dominated by the mineral olivine ...

    Peridotite: Composition, Types & Uses – Geology In

    Peridotite is a dense, coarse-grained ultramafic igneous rock that forms deep within the Earth’s mantle. Dominated by the mineral olivine ...

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  3. Believe it or not, this is 100% natural! Hematite crystals Rose - double face - from Tsaratanana Majunga prov. Madagascar

    Video: FMS - Fine Mineral Specimens

    #minerals #crystals

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  4. A rather rare specimen of chromium-bearing clinochlore (commonly known as kämmererite) from the Kop Krom Mine

    Photo: Saphira Minerals

    #minerals #gems

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  5. Lustrous calcite from Xianghualing, China, features a pure white, snow-like coating that perfectly outlines and embraces the fluorite within.

    Video: Super_mineral_

    #minerals #crystals

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  6. Natural Rhodochrosite crystals from N'Chwaning Mine, Northern Cape Province, South Africa

    Photo: © 1stDibs.com

    #minerals #crystals #gems

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  7. The "Boot of Cortez" gold nugget was found in 1989 in northern Mexico, just 70 miles south of the border with Arizona. It was discovered by an amateur prospector with a metal detector. Weighing in at 389.4 troy ounces (approximately 12.14 kilograms or 26.77 pounds) www.geologyin.com/2024/12/larg...

    The Boot of Cortez: The Largest Gold Nugget Ever Found in North America Was Discovered with a Metal Detector The "Boot of Cortez" gold  nugg...

    The Boot of Cortez: The Largest Gold Nugget in North America – Geology In

    The Boot of Cortez: The Largest Gold Nugget Ever Found in North America Was Discovered with a Metal Detector The "Boot of Cortez" gold nugg...

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