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Water, Ice and Bean

The words we use for translucency, and what they actually tell you about a stone.

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Water, Ice and Bean

English-language listings borrow directly from the Chinese trade vocabulary, and the translations lose precision. “Water” is not a substance description; it is shorthand for how much light the stone admits and how the surface reflects it.

Reading the vocabulary

TermWhat it describesWhat it does not describe
Water (水)Overall translucency and lustreColour, or desirability
Ice (冰)A specific band of translucencyThat the stone is colourless
Bean (豆)Coarse grain, low translucencyThat the stone is defective

A bean-grade stone with vivid green is worth more than an icy stone with no colour at all. Water is one axis, not the score.

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