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  2. Gemstone irradiation - Wikipedia

    en.wikipedia.org/wiki/Gemstone_irradiation

    Gemstone irradiation is a process in which a gemstone is exposed to artificial radiation in order to enhance its optical properties.High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice, which in turn alters the optical properties within it. [1]

  3. Cacoxenite - Wikipedia

    en.wikipedia.org/wiki/Cacoxenite

    Cacoxenite is an iron aluminium phosphate mineral [5] with formula: Fe 3+ 24 Al(PO 4) 17 O 6 (OH) 12 ·17(H 2 O). [4] Cacoxenite is associated with iron ores. [6] The name comes from the Greek κăκός for "bad" or "evil" and ξένος for "guest" because the phosphorus content of cacoxenite lessens the quality of iron smelted from ore containing it.

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

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

    Leaders of states in the U.S. which have significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources, history, tourism, etc.

  5. Real estate transfers: Ohio LLC buys 18 properties for $1 ...

    www.aol.com/real-estate-transfers-ohio-llc...

    Oak Tree Real Estate Ohio LLC from Canton Property Investors LLC, 1327 Woodland Ave SE, $1,005,000. ... Born in the USA: American-made products on sale for Black Friday. See all deals. In Other News.

  6. List of minerals - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals

    Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...

  7. National Register of Historic Places listings in Ohio - Wikipedia

    en.wikipedia.org/wiki/National_Register_of...

    Ohio counties (clickable map) This is a list of properties and districts in Ohio that are listed on the National Register of Historic Places. There are over 4,000 in total. Of these, 73 are National Historic Landmarks. There are listings in each of Ohio's 88 counties.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  9. Mineral variety - Wikipedia

    en.wikipedia.org/wiki/Mineral_variety

    For example, amethyst is a variety of quartz with a purple tinge due in part to iron impurities. Mineral varieties can be further subdivided into sub-varieties. [1] Unlike mineral species, mineral varieties are not defined or named by the International Mineralogical Association (IMA).

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