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  2. Template:WikiProject Rocks and minerals - Wikipedia

    en.wikipedia.org/wiki/Template:WikiProject_Rocks...

    Template:WikiProject Rocks and minerals is part of WikiProject Rocks and minerals, an attempt at creating a standardized, informative, comprehensive and easy-to-use rocks and minerals resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.

  3. Tumble finishing - Wikipedia

    en.wikipedia.org/wiki/Tumble_finishing

    First, vibratory tumblers retain the overall shape of the rough rock, whereas rotary tumblers tend to make rocks round. Thus, it is important to use vibratory tumblers to make faceted shapes and tear drop forms. Second, vibratory tumblers tend to work much faster than rotary tumblers, generally reducing the processing time to half. [4]

  4. Stone carving - Wikipedia

    en.wikipedia.org/wiki/Stone_carving

    Sandpaper can be used as a first step in the polishing process, or sand cloth. Emery, a stone that is harder and rougher than the sculpture media, is also used in the finishing process. This abrading, or wearing away, brings out the color of the stone, reveals patterns in the surface and adds a sheen.

  5. File:Boulder buster - breaking rocks without explosives (IA ...

    en.wikipedia.org/wiki/File:Boulder_buster...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  6. Petroform - Wikipedia

    en.wikipedia.org/wiki/Petroform

    The natural landscape of the park, with many movable rocks and boulders left behind after the last ice age, gave humans the easy opportunity to arrange them into many human-made patterns. It is an area where three rivers meet, along the edge of the Canadian Shield , close to the edge of prairie grasslands.

  7. List of rock formations - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_formations

    Rocks formations and the Dedo de Deus (God's Finger) peak in the background, Serra dos Órgãos National Park, Rio de Janeiro state, Brazil Raouché or Pigeons' Rock in Beirut, Lebanon Druid Arch, Canyonlands National Park, Utah, US View of Meteora, Greece Rock formations in Ongamira Valley, Sierras de Córdoba, Argentina Belogradchik Rocks, Balkan Mountains, Bulgaria "Jaws", an erosional fin ...

  8. Non-explosive demolition agents - Wikipedia

    en.wikipedia.org/wiki/Non-explosive_demolition...

    To use non-explosive demolition agents in demolition or quarrying, holes are drilled in the base rock as they would be for use with conventional explosives. A slurry mixture of the non-explosive demolition agent and water is poured into the drill holes. Over the next few hours the slurry expands, cracking the rock in a pattern somewhat like the ...

  9. Thunderegg - Wikipedia

    en.wikipedia.org/wiki/Thunderegg

    A geode is a simple term for a rock with a hollow in it, often with crystal formation/growth. A thunderegg on the other hand is a specific geological structure . A thunderegg may be referred to as a geode if it has a hollow in it, but not all geodes are thundereggs because there are many different ways for a hollow to form.

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