Harper's New Monthly Magazine Volume 21 June to November 1860 . d of no value. Its colors areyellow, pink, yellowish pink, orange, and white,beautifully transparent and translucent. It cannot be affected by acids. The annual production of the topaz mines ofBrazil is very small, not over fifty pounds beingexported. It is sought in the rainy season, inmuch the same way as the diamond, and overthe same ground. In fact, many limpid topazeshave been found that for a long time puzzledthe dealers to name. No such error as this canoccur for a moment after they are cut. Theyellow Brazilian topaz, when
Harper's New Monthly Magazine Volume 21 June to November 1860 . d of no value. Its colors areyellow, pink, yellowish pink, orange, and white,beautifully transparent and translucent. It cannot be affected by acids. The annual production of the topaz mines ofBrazil is very small, not over fifty pounds beingexported. It is sought in the rainy season, inmuch the same way as the diamond, and overthe same ground. In fact, many limpid topazeshave been found that for a long time puzzledthe dealers to name. No such error as this canoccur for a moment after they are cut. Theyellow Brazilian topaz, when submitted to theaction of a furnace, becomes reddish, resemblingsomewhat a ruby, but not sufficiently to white and the pink are esteemed most valu-able. The white are called pingos (Tagua (dropsof water), and when cut are considered a closeimitation of the diamond. In Saxony the largest portion of those foundare of a yellowish pink, or wine color, which,upon being exposed to heat, becomes found in Connecticut are of a pale THE ENGLISH HEATJTECKY. TUE TOPAZ OP THE G2EAT Tavemier gives an engraving of a beautifultopaz in the possession of the Great Mogul. Itis a perfect octagon, measuring nearly two inch-es in diameter, and very handsomely cut. Itweighs 157 carats, and cost 2,715,000 livres($543,000)—a fabulous price, that no topaz,were it many times larger, would bring in thesedays. He says it was the only gem he saw thatmonarch wear upon his person, when he visitedhis court, during his last journey to the the jewels of Ilussia is a topaz, weightunknown, valued at 10,000 roubles. It formedpart of the horse gear of Catherine II. The Emerald^ which follows next, is one of themost beautiful of gems. The finest of thesestones come from Peru, though inferior ones arefound in Siberia, and in different parts of the forms of its cutting the same rule is fol- 77G HARPERS NEW MONTHLY J^IAGAZINE. lowed as in the diamond
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