enow.com Web Search

Search results

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

    en.wikipedia.org/wiki/Hiddenite

    Hiddenite Hiddenite. Hiddenite is a pale-to-emerald green variety of spodumene that is sometimes used as a gemstone. The first specimens of the hiddenite variety of spodumene were recovered circa 1879 near the settlement of White Plains, west of Stony Point, Alexander County, North Carolina. According to contemporary accounts, a man named ...

  3. Spodumene - Wikipedia

    en.wikipedia.org/wiki/Spodumene

    Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate, Li Al(Si O 3) 2, and is a commercially important source of lithium.It occurs as colorless to yellowish, purplish, or lilac kunzite (see below), yellowish-green or emerald-green hiddenite, prismatic crystals, often of great size.

  4. Hiddenite Gem Mines - Wikipedia

    en.wikipedia.org/wiki/Hiddenite_Gem_Mines

    This a public gem mine located in the Piedmont of North Carolina in Alexander County, specifically in the town of Hiddenite. [2] At the mine, more than 63 different types of gems and minerals can be found including emeralds, amethyst, sapphire, aquamarine, topaz, garnet, as well as the stone Hiddenite, which is a stone only found in this local ...

  5. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    Eilat stone; Epidosite; Glimmerite; Goldstone (glittering glass) Tiger's eye; Helenite (artificial glass made from volcanic ash) Iddingsite; Kimberlite; Lamproite; Lapis lazuli; Libyan desert glass; Llanite; Maw sit sit; Moldavite; Obsidian; Apache tears; Pallasite; Peridotite (also known as olivinite) Siilinjärvi carbonatite; Soapstone (also ...

  6. Category:Gemstone mines - Wikipedia

    en.wikipedia.org/wiki/Category:Gemstone_mines

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

  7. Hiddenite, North Carolina - Wikipedia

    en.wikipedia.org/wiki/Hiddenite,_North_Carolina

    The town of Hiddenite was incorporated in 1913, but its charter was repealed in 1919. Hiddenite was named for William Earl Hidden (1853–1918), a mineralogist sent to North Carolina by Thomas Edison to look for platinum. Hidden discovered the gem that came to be known as "hiddenite" in 1879 in mines nearby.

  8. Helenite - Wikipedia

    en.wikipedia.org/wiki/Helenite

    Even in these uses it should be considered to be a very delicate stone. If it is used as a ring stone, the facet edges will be easily abraded, the faces will be easily scratched, and the stone might be chipped with even a slight impact. [3] It is seen as an inexpensive alternative to naturally-occurring green gemstones, such as emerald and ...

  9. Tumble finishing - Wikipedia

    en.wikipedia.org/wiki/Tumble_finishing

    A well-chosen speed for stone polishing causes the rocks within the barrel to slide past each other, with the abrasive grit between them. The result of this depends on the coarseness of the abrasive, and the duration of the tumble. Typically, a full tumble polish from rough rock to polish takes 3–5 weeks, and is done in a minimum of 3 steps.