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Practice Speaking: Read Aloud
ID: #51838
Long Emerald
Emerald is defined by its green color. To be an emerald, specimen must have distinctly green color that falls in range from bluish green to green to slightly yellowish green. To be an emerald , specimen must also have rich color. Stones with weak saturation or light tone should be called "green beryl." If it is greenish yellow it is "heliodor."
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