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Sec. IV, Ch. 32: Semi-Precious Stones, Sphene

Sec. IV, Ch. 31: Semi-Precious Stones, Rock Crystal Page of 366 Sec. IV, Ch. 33: Semi-Precious Stones, Spodumene Text size:minus plus Restore normal size   Mail page  Print this page
CHAPTER XXXII.
SPHENE.
ΡΗΕΝΕ is a mineral which has occasionally been cut as an ornamental stone. Its appearĀ­ance is somewhat between that of Opal and Chrysolite. In colour it varies from pale yellow to green ; and it exhibits all degrees of transparency, some varieties being, however, opaque. Only the most transparent and clear specimens have the claim to be classed as gem-stones ; and although the mineral has a remarkably brilliant dispersive power, its softness is against its ever being extensively used. Among its many localities mention may be made of Arendal, in Norway, of St. Gothard and Mont Elanc, and many parts of North America.
SPHENE.
Sec. IV, Ch. 31: Semi-Precious Stones, Rock Crystal Page of 366 Sec. IV, Ch. 33: Semi-Precious Stones, Spodumene
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