Page:A treatise on diamonds and precious stones including their history Natural and commercial.djvu/162

 THE CHRYSOPRASE

of a cloudy pale green color, and has an agreeable appearance: it is translucent, and shews to advantage by. candle-light, more particularly if surrounded by small brilliants.

of fine quality, and sufficiently large for a brooch or a seal, is worth from two to four or five. guineas. It does not admit of being cut with facets, except round the bizel, which should be low, and the under siderounded. Inferior stones are common, and very low priced.

are often extremely beautiful, and deservedly much esteemed, as are varieties of fine mocha stones, agates, and jaspers, whose peculiar characters are strikingly attractive. They are, generally speaking, the most common ornaments set in jewellery, but are not ranked in the class of precious stones.