Difference between revisions of "Glass colorants"
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* iridescence: [[silver]] and [[bismuth]]. | * iridescence: [[silver]] and [[bismuth]]. | ||
| − | * black: two or more [[cobalt oxide|cobalt]], [[copper oxide glaze|copper]], [[iron oxide black|iron]] and [[nickel oxide|nickel]] oxides | + | * black: two or more [[cobalt oxide|cobalt]], [[copper oxide glaze|copper]], [[iron oxide black|iron]] and [[nickel oxide|nickel]] oxides; or [[iron]] and [[carbon]]. |
* gray: [[nickel oxide]] and [[titanium dioxide]]. | * gray: [[nickel oxide]] and [[titanium dioxide]]. | ||
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* amber: [[iron oxide yellow|iron oxide]] and [[sulfur]], [[coal]] and sulfur, or [[iron disulfide]]. | * amber: [[iron oxide yellow|iron oxide]] and [[sulfur]], [[coal]] and sulfur, or [[iron disulfide]]. | ||
| − | * red: [[cadmium sulfide]], cadmium selenide, manganese, metallic [[gold]], copper oxide, [[gold chloride]] or [[purple of Cassius|gold-tin purple]] (purple of Cassius). | + | * red: [[cadmium sulfide]], cadmium selenide, [[manganese]], metallic [[gold]], copper oxide, [[gold chloride]] or [[purple of Cassius|gold-tin purple]] (purple of Cassius). |
* violet: [[manganese oxide]] | * violet: [[manganese oxide]] | ||
Latest revision as of 13:55, 1 September 2020
Description
Inorganic materials are used to color or opacify Glass as well as to color ceramic glazes and vitreous enamels. Examples include:
- gray: Nickel oxide and Titanium dioxide.
- purple: neodymium oxide.
- blue: Cobalt oxide, copper oxide.
- blue-green: Iron chromate, or copper oxide.
- green: iron oxide and Chromic oxide.
- yellow-green: Chromic oxide, or Cadmium sulfide.
- yellow: uranium oxide, Iron/Manganese, Ceric oxide, or Silver oxide (surface).
- amber: iron oxide and Sulfur, Coal and sulfur, or Iron disulfide.
- red: Cadmium sulfide, cadmium selenide, Manganese, metallic Gold, copper oxide, Gold chloride or gold-tin purple (purple of Cassius).
- violet: Manganese oxide
Synonyms and Related Terms
glass colourants (Br.); colorantes para vidro (Port.)
Resources and Citations
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Edward Reich, Carlton J. Siegler, Consumer Goods: How to Know and Use Them, American Book Company, New York City, 1937