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  2. Stringer's Ridge - Wikipedia

    en.wikipedia.org/wiki/Stringer's_Ridge

    Stringer's Ridge Preservation Easement, generally known as Stringer's Ridge, is a 92 acre wilderness park located in North Chattanooga, Tennessee. [1] The ridge overlooks the North Shore, the Tennessee River and downtown Chattanooga. The trail terrain consists of rolling hills and some short steep sections.

  3. Hillman Hall of Minerals and Gems - Wikipedia

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

    In subsequent decades, it was augmented primarily by gifts, including Andrew Carnegie's 1904 donation of the notable mineral collection of William W. Jefferis of West Chester, Pennsylvania (about 12,000 specimens), and a donation in 1902 of 2,600 gems from John L. Lewis, President of the Lewis Foundry & Machine Company located in Groveton ...

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

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

    In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...

  5. Vein (geology) - Wikipedia

    en.wikipedia.org/wiki/Vein_(geology)

    White veins in dark rock at Imperia, Italy. In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock.Veins form when mineral constituents carried by an aqueous solution within the rock mass are deposited through precipitation.

  6. Lode - Wikipedia

    en.wikipedia.org/wiki/Lode

    A stringer lode is one in which the rock is so permeated by small veinlets that rather than mining the veins, the entire mass of ore and the enveined country rock is mined. It is so named because of the irregular branching of the veins into many anastomosis stringers, so that the ore is not separable from the country rock.

  7. Taaffeite - Wikipedia

    en.wikipedia.org/wiki/Taaffeite

    Taaffeite (/ ˈ t ɑː f aɪ t /; BeMgAl 4 O 8) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first sample, a cut and polished gem, in October 1945 in a jeweler's shop in Dublin, Ireland. [4] [5] As such, it is the only gemstone to have been initially identified from a faceted stone.

  8. Amateur geology - Wikipedia

    en.wikipedia.org/wiki/Amateur_geology

    Kunzite from Afghanistan, which was named in honor of George Frederick Kunz. Amateur geology or rock collecting (also referred to as rockhounding in the United States and Canada) is the non-professional study and hobby of collecting rocks and minerals or fossil specimens from the natural environment.

  9. Category:Mineralogy museums - Wikipedia

    en.wikipedia.org/wiki/Category:Mineralogy_museums

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