Ways to Test Antiques and Collectibles With a Black Light

Make Glass, Porcelain, Textiles, Ephemera, and Cast Iron Glow
Many antiques lovers use long wave black lights to date objects and test for . Some clues to age or telltale signs of repair aren’t easily visible to the naked eye but will fluoresce under ultraviolet light. While it’s not the end-all answer in antique authentication and dating, it is a very good place to start.


What Is Vaseline Glass?
Radioactive Glass Popular With Collectors

When discussing vaseline glass in the United States, collectors are referencing a type of old glass that is yellow or yellow-green in normal light, and glows bright green under a blacklight. The nickname “vaseline” comes from the resemblance of some pieces to the hue of Vaseline petroleum jelly, which is light yellow in color… Continue Reading

Source: Pamela Wiggins

  • Author of Collecting With Kids: How to Inspire, Intrigue and Guide the Young Collector, Warman’s Costume Jewelry, and Buying and Selling Antiques & Collectibles on eBay
  • Contributor to national antique-related periodicals including Antique Trader, Heritage Magazine, Treasures, and Numismatist
  • Co-founder of Costume Jewelry Collectors International, an educational website
  • More about Pamela Wiggins

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