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  2. Lustre (mineralogy) - Wikipedia

    en.wikipedia.org/wiki/Lustre_(mineralogy)

    Lustre (British English) or luster (American English; see spelling differences) is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the Latin lux, meaning "light", and generally implies radiance, gloss, or brilliance. A range of terms are used to describe lustre, such as earthy ...

  3. Lustreware - Wikipedia

    en.wikipedia.org/wiki/Lustreware

    Lustreware. Lustreware or lusterware (the respective spellings for British English and American English) is a type of pottery or porcelain with a metallic glaze that gives the effect of iridescence. It is produced by metallic oxides in an overglaze finish, which is given a second firing at a lower temperature in a "muffle kiln", or a reduction ...

  4. Luster (textiles) - Wikipedia

    en.wikipedia.org/wiki/Luster_(textiles)

    Luster is the degree of gloss or sheen possessed by the fiber or textile surface. Luster adds aesthetic values in fabrics, contributes to their attractiveness. Occasionally, this adds value to their quality assessment. [2][4] In some cases, when lustre is undesirable, fibres are purposefully dulled by the addition of substances. [1]: 73.

  5. Pyrite - Wikipedia

    en.wikipedia.org/wiki/Pyrite

    Cubic, faces may be striated, but also frequently octahedral and pyritohedral. Often inter-grown, massive, radiated, granular, globular, and stalactitic. The mineral pyrite (/ ˈpaɪraɪt / PY-ryte), [6] or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S 2 (iron (II) disulfide).

  6. Lust - Wikipedia

    en.wikipedia.org/wiki/Lust

    Lust is defined as immoral because its object or action of affection is improperly ordered according to natural law and/or the appetite for the particular object (eg sexual desire) is governing the person's will and intellect rather than the will and intellect governing the appetite for that object. Whereas passion, regardless of its strength ...

  7. Chandelier - Wikipedia

    en.wikipedia.org/wiki/Chandelier

    A chandelier (/ ˌʃændəˈlɪər /) is an ornamental lighting device, typically with spreading branched supports for multiple lights, designed to be hung from the ceiling. [1][2] Chandeliers are often ornate, and they were originally designed to hold candles, but now incandescent light bulbs are commonly used, [3] as well as fluorescent lamps ...

  8. Emerald - Wikipedia

    en.wikipedia.org/wiki/Emerald

    Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor.

  9. Lustre - Wikipedia

    en.wikipedia.org/wiki/Lustre

    Luster (surname) Nadine Lustre (born 1993), Filipina actress and singer. Lustre (mineralogy), a description of the way light interacts with the surface of a crystal, rock or mineral. Lustre prints, a photograph or artwork with a finish between glossy and matte. USS Luster (IX-82), a yacht which served in the United States Navy as a patrol boat ...