How can you tell real crystal from fake?
Credit:theenmoyCC-BY-2.0
Q:

How can you tell real crystal from fake?

A:

Quick Answer

When holding genuine crystal glass up to the light, a rainbow should be seen because crystal glass acts as a prism. If a rainbow cannot be seen, it is plain glass. Crystal produces a musical ring when it is struck, and glass does not.

 Know More

Full Answer

A crystal glass also creates a musical tone when a wet finger is ran around the rim. Crystal is worked thinner than glass, so a glass with a very thin rim is probably a crystal glass. Crystal glass is heavier than ordinary glass of the same size. Crystal typically has clean, rounded cuts, while glass has sharp cuts.

Learn more about Antiques

Related Questions

  • Q:

    How do you identify Whitefriars glass?

    A:

    Identify Whitefriars glass by looking for engraved marks, paper labels and general characteristics. Because not many Whitefriars glass pieces are marked, take the item to an expert for definitive identification.

    Full Answer >
    Filed Under:
  • Q:

    How do you identify antique glass?

    A:

    A glass or antiques expert can verify the age of the glass. Valuable antique glass is characterized by signs of wear, defects and rough mold edges.

    Full Answer >
    Filed Under:
  • Q:

    What are porcelain signs?

    A:

    According to Collectors Weekly, porcelain signs were made of rolled iron or steel, die-cut to shape, with layers of powdered glass fused to the sign's surface. This type of weather-resistant signage was manufactured between the late 19th century and the mid-20th century for outdoor advertising.

    Full Answer >
    Filed Under:
  • Q:

    How did Sir Isaac Newton discover optics?

    A:

    In 1666, Sir Isaac Newton discovered optics while examining a lighted refracted from a crystal prism and observing that light consisted of a full spectrum of color. In 1704, he published a book detailing his findings titled "Opticks."

    Full Answer >
    Filed Under:

Explore