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  2. Hematine - Wikipedia

    en.wikipedia.org/wiki/Hematine

    Hematine ring. Hematine (also magnetic hematite, hemalyke or hemalike) is an artificial magnetic material. [1] Hematine is widely used in jewelry. [citation needed]Although it is claimed by many that it is made from ground hematite or iron oxide mixed with a resin, analysis (of one object) has demonstrated it to be an entirely artificial compound, a barium-strontium ferrite.

  3. Virginia Museum of Fine Arts - Wikipedia

    en.wikipedia.org/wiki/Virginia_Museum_of_Fine_Arts

    The VMFA has its origins in a 1919 donation of 50 paintings to the Commonwealth of Virginia by Judge John Barton Payne.During the Great Depression, Payne collaborated with Virginia Governor John Garland Pollard to gain funding from the federal Works Projects Administration under President Franklin D. Roosevelt, to augment state funding and establish the state art museum in 1932. [7]

  4. List of jewellery types - Wikipedia

    en.wikipedia.org/wiki/List_of_jewellery_types

    This page was last edited on 25 December 2024, at 14:17 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  5. Hematite - Wikipedia

    en.wikipedia.org/wiki/Hematite

    Hematite (/ ˈ h iː m ə ˌ t aɪ t, ˈ h ɛ m ə-/), also spelled as haematite, is a common iron oxide compound with the formula, Fe 2 O 3 and is widely found in rocks and soils. [6] Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2 O 3. It has the same crystal structure as corundum ...

  6. Banded iron formation - Wikipedia

    en.wikipedia.org/wiki/Banded_iron_formation

    Banded iron formation from the Barberton Greenstone Belt, South Africa. A typical banded iron formation consists of repeated, thin layers (a few millimeters to a few centimeters in thickness) of silver to black iron oxides, either magnetite (Fe 3 O 4) or hematite (Fe 2 O 3), alternating with bands of iron-poor chert, often red in color, of similar thickness.

  7. List of synthetic diamond manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_synthetic_diamond...

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

  8. Ring (jewellery) - Wikipedia

    en.wikipedia.org/wiki/Ring_(jewellery)

    Ruby ring. A ring is a round band, usually made of metal, worn as ornamental jewelry.The term "ring" by itself denotes jewellery worn on the finger; when worn as an ornament elsewhere, the body part is specified within the term, e.g., earrings, neck rings, arm rings, and toe rings.

  9. Native American jewelry - Wikipedia

    en.wikipedia.org/wiki/Native_American_jewelry

    Wanesia Spry Misquadace (Fond du Lac Ojibwe), jeweler and birch bark biter, 2011 [1]Native American jewelry refers to items of personal adornment, whether for personal use, sale or as art; examples of which include necklaces, earrings, bracelets, rings and pins, as well as ketohs, wampum, and labrets, made by one of the Indigenous peoples of the United States.

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