enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Mineral collecting - Wikipedia

    en.wikipedia.org/wiki/Mineral_collecting

    Creedite specimen, 11 x 7 x 3 cm, from Santa Eulalia, Chihuahua, Mexico; formerly in the Perkins D. Sams collection. Mineral collecting is the hobby of systematically collecting, identifying and displaying mineral specimens. Mineral collecting can also be a part of the profession of mineralogy and allied geologic specialties

  3. Conservation and restoration of paintings - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    There is solvent-based and water-based. Solvent-based acrylic paints are soluble in mineral spirits, and water-based acrylic paints are water-soluble. Acrylic paint differs from oil paint in both its quick drying time, and how the paint dries. Acrylic paint dries in as little as thirty minutes, and dries by the evaporation of the solvent or ...

  4. Rice Northwest Museum of Rocks and Minerals - Wikipedia

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

    Opened in 1997, the museum's collections date to the 1930s with the museum housed in a home built to display the rock and mineral collections of the museum founders. The ranch-style home is listed on the National Register of Historic Places, the first of its kind listed in Oregon. In 2015 the museum became a Smithsonian Affiliate museum.

  5. 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."

  6. Hillman Hall of Minerals and Gems - Wikipedia

    en.wikipedia.org/wiki/Hillman_Hall_of_Minerals...

    Fluorescence and Phosphorescence - displays of mineral fluorescence and phosphorescence. Locality Suites - illustrates the diversity of mineral species that come from a single geographic environment and how they impacted civilizations. Pennsylvania Minerals and Gems - specimens representing some of the finest minerals and gems from Pennsylvania.

  7. Type specimen (mineralogy) - Wikipedia

    en.wikipedia.org/wiki/Type_specimen_(mineralogy)

    In mineralogy, the type specimen, also known as type material, is a reference sample by which a mineral is defined. [1] Similar to the biology type methods, a mineral type specimen is a sample (or in some cases a group of samples) of a mineral to which the scientific name of that mineral is formally attached. In other words, a type specimen is ...

  8. Conservation and restoration of herbaria - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    The conservation and restoration of herbaria includes the preventive care, repair, and restoration of herbarium specimens. Collections of dried plant specimens are collected from their native habitats, identified by experts, pressed, and mounted onto archival paper. Care is taken to make sure major morphological characteristics are visible ...

  9. Micromount - Wikipedia

    en.wikipedia.org/wiki/Micromount

    Micromount specimen collecting has a number of advantages over collecting larger specimens. Micromount specimens take up less space and cost less than larger specimens. Small crystals are usually more perfect than larger ones. Micromount material can often be readily collected at locations that rarely if ever yield specimens with large crystals.