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balasBAL'AS, n. A variety of spinel ruby, of a pale rose red, or inclining to orange. Its crystals are usually octahedrons, composed of two four-sided pyramids, applied base to base. [See Spinel.] |
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balasBAL'AS, n. A variety of spinel ruby, of a pale rose red, or inclining to orange. Its crystals are usually octahedrons, composed of two four-sided pyramids, applied base to base. [See Spinel.] |