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  2. List of U.S. state minerals, rocks, stones and gemstones

    en.wikipedia.org/wiki/List_of_U.S._state...

    ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [ 81 ] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock ( Plymouth Rock ), State Explorer Rock ( Dighton Rock ), and State Building and Monument ...

  3. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits—deposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits. The metal or gemstones, having been moved by stream flow from an original source such as a vein, are ...

  4. Halemaʻumaʻu - Wikipedia

    en.wikipedia.org/wiki/Halemaʻumaʻu

    Halemaʻumaʻu (six syllables: HAH-leh-MAH-oo-MAH-oo) is a pit crater within the much larger Kīlauea Caldera at the summit of Kīlauea volcano on island of Hawaiʻi. The roughly circular crater was 770 meters (2,530 ft) x 900 m (2,950 ft) before collapses that roughly doubled the size of the crater after May 3, 2018. [ 1 ]

  5. California and Hawaii lead charge against deep-sea mining of ...

    www.aol.com/news/california-hawaii-lead-charge...

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  6. Hawaiian Paradise Park, Hawaii - Wikipedia

    en.wikipedia.org/wiki/Hawaiian_Paradise_Park,_Hawaii

    Hawaiian Paradise Park is located on the eastern side of the island of Hawaii at (19.590388, -154.975734). [3] It is bordered to the northeast by the Pacific Ocean, to the southeast by Hawaiian Beaches, and to the southwest by Orchidlands Estates and Ainaloa.

  7. Papakolea Beach - Wikipedia

    en.wikipedia.org/wiki/Papakolea_Beach

    Papakōlea Beach (also known as Green Sand Beach or Mahana Beach [1]) is a green sand beach located near South Point, in the Kaʻū district of the island of Hawaiʻi. It is one of only four green sand beaches in the world, the others being Talofofo Beach, Guam; Punta Cormorant on Floreana Island in the Galapagos Islands; and Hornindalsvatnet ...

  8. Gemfields - Wikipedia

    en.wikipedia.org/wiki/Gemfields

    Gemfields Group Ltd (formerly Pallinghurst Resources Limited) is a British mining company incorporated in Guernsey and headquartered in London, United Kingdom, and is a supplier of coloured gemstones. [5] The company specializes in the mining, processing and sale of coloured gemstones, in particular emeralds and rubies. The group sells rough ...

  9. Holualoa Bay - Wikipedia

    en.wikipedia.org/wiki/Holualoa_Bay

    Hōlualoa Bay is a historic area between Kailua-Kona and Keauhou Bay in the Kona District of the Big Island of Hawaiʻi. The community now called Hōlualoa is uphill (mauka in the Hawaiian Language) from this bay.