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What Is Cut Glass?
True cut glass is created by artists moving a piece of glass against round blades in detailed patterns.
More modern techniques that are easier to mass-produce, however, involve shaping glass with molds.

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What Is Crystal?
The first and perhaps most famous method is by tapping or striking the material.
Although less precise, you could also use more rudimentary senses for this determination.

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Also, crystal tends to have a brighter shine than cut glass.
Use just your fingertips when washing the rim of a crystal glass, for instance.

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