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  2. Azurite - Wikipedia

    en.wikipedia.org/wiki/Azurite

    Azurite crystallizes in the monoclinic system. [10] Large crystals are dark blue, often prismatic. [3] [4] [8] Azurite specimens can be massive to nodular or can occur as drusy crystals lining a cavity. [11] Azurite has a Mohs hardness of 3.5 to 4. The specific gravity of azurite is 3.7 to 3.9. Characteristic of a carbonate, specimens ...

  3. Mineral collecting - Wikipedia

    en.wikipedia.org/wiki/Mineral_collecting

    A collection of smaller mineral samples stored and displayed in clear cases Azurite specimen from the Morenci mine, Morenci, Arizona, USA. Morenci is the largest copper mine in North America, and Morenci copper mineral specimens are visually appealing, abundant, and relatively inexpensive.

  4. Azure spar - Wikipedia

    en.wikipedia.org/wiki/Azure_spar

    Azure spar, sometimes azur-spar (German: Lazur spath, Blau spath) is a trivial and commercial, partly obsolete name for several of the most famous bright blue or blue-colored minerals, which also have similar names, most notably for lazurite and azurite, [1]: 14 and also for the less commonly used lazulite.

  5. Copper Queen Mine - Wikipedia

    en.wikipedia.org/wiki/Copper_Queen_Mine

    Copper Queen Mine Tour, Sept 2008 Classic Bisbee Azurite and Malachite specimen from the Copper Queen mine. This specimen was in the personal collection of Dr. James Douglas, and was later donated to the Smithsonian by his son. [1] The Copper Queen Mine was a copper mine in Cochise County, Arizona, United States.

  6. Allison and Roberto Mignone Halls of Gems and Minerals

    en.wikipedia.org/wiki/Allison_and_Roberto_Mignon...

    Among other notable specimens on display were a 596-pound (270 kg) topaz, a 4.5 ton block of blue azurite/malachite ore that was found in the Copper Queen Mine in Bisbee, Arizona at the start of the 20th century; [13] and a rare, 100 carat (20 g) orange-colored padparadschan sapphire from Sri Lanka, considered "the mother of all pads."

  7. List of minerals - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals

    List of mineral tests; List of minerals by optical properties; Mineral collecting – Hobby of systematically collecting, identifying and displaying mineral specimens; Timeline of the discovery and classification of minerals

  8. Rice Northwest Museum of Rocks and Minerals - Wikipedia

    en.wikipedia.org/wiki/Rice_Northwest_Museum_of...

    [6] [7] [19] The specimens come from around the world, many personally unearthed by the Rices. [23] Bill Dameron of The Mineralogical Record named the museum as having the best mineral specimens in the Pacific Northwest. [17] The collections include gemstones, minerals, fossils, meteorites, and some artifacts. [24]

  9. File:Azurite-malachite on gossan (Morenci Mine, Arizona, USA ...

    en.wikipedia.org/wiki/File:Azurite-malachite_on...

    Azurite and malachite on iron oxide gossan from Arizona, USA. (~5.0 centimeters across at its widest) Blue = azurite Green = malachite Reddish-brown = gossan matrix A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.

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