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  2. AOL Mail

    mail.aol.com/35683-111/aol-6/en-us/Suite.aspx

    Found. Redirecting to https://oidc.mail.aol.com/login?.src=aolm&pspid=972825001&activity=mail-direct&language=en-US&dest=https%3A%2F%2Fmail.aol.com%2Fd%2F35683-111 ...

  3. Egyptian faience - Wikipedia

    en.wikipedia.org/wiki/Egyptian_faience

    Egyptian faience is a non-clay based ceramic composed of crushed quartz or sand, with small amounts of calcite lime and a mixture of alkalis, displaying surface vitrification due to the soda lime silica glaze often containing copper pigments to create a bright blue-green luster. [7]

  4. Turquoise (color) - Wikipedia

    en.wikipedia.org/wiki/Turquoise_(color)

    Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6 ( P O 4) 4 (O H) 8· 4 H 2 O. It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue. A turquoise dome of the Po-i-Kalyan Mosque in ...

  5. Sunstone - Wikipedia

    en.wikipedia.org/wiki/Sunstone

    Sunstone. Sunstone is a microcline or oligoclase feldspar, which when viewed from certain directions exhibits a spangled appearance. It has been found in Southern Norway, Sweden, various United States localities and on some beaches along the midcoast of South Australia.

  6. Patina - Wikipedia

    en.wikipedia.org/wiki/Patina

    Usage. On metal, patina is a coating of various chemical compounds such as oxides, carbonates, sulfides, or sulfates formed on the surface during exposure to atmospheric elements ( oxygen, rain, acid rain, carbon dioxide, sulfur -bearing compounds). [2] In common parlance, weathering rust on steel is often mistakenly [3] referred to as patina.

  7. Blue pigments - Wikipedia

    en.wikipedia.org/wiki/Blue_pigments

    Blue pigments are natural or synthetic materials, usually made from minerals and insoluble with water, used to make the blue colors in painting and other arts. The raw material of the earliest blue pigment was lapis lazuli from mines in Afghanistan, that was refined into the pigment ultramarine. Since the late 18th and 19th century, blue ...