Magic Stones and Electric Gems Kunz: Magic of Jewels Page 73



	MAGIC STONES AND ELECTRIC GEMS 59 matter, manganese, and the iron constituent, the source of the green hue ; these two materials, by their union, neutralize each other, furnishing the transparent, colorless vein or zone. A slightly different combination of colors appears in a fine crystal, found some years ago at Mount Mica, Oxford County, Maine;*this even offers a kind of "triple alliance," as it shows blue in its lower half, passing through white and pink to a grass-green at the upper end.¹⁰¹ These three hues combined in one body, in indissoluble union in spite of the differences of quality and color, yet represent one principle. This action of manganese in neutralizing the iron is well known to glass-makers; otherwise white glass could not be made. It would all be greenish in tint were it not for the use of oxide of manganese, or ''glass-maker's soap," as it is termed, which neutralizes the production of a green tint by the iron and makes the white hue. This beautifully symbolic stone is found in Paris, Maine, in San Diego County, California, and in Brazil. At times the outer edge of the stone is green, a transparent white zone surrounding the interior red zone, the whole looking for all the world like a section of watermelon, and hence it is sometimes called the "Watermelon Stone." Then again, the colors are joined in longitudinal strips, showing them side by side. This variety of tourmaline, although rare, is not especially costly, and is one more addition to the stones of sentiment, and more especially to those appropriate as symbols of our fair ideal, universal peace. "We can see symbolized in them the great and consoling fact that, however marked may be the differences between any two peoples, they need not be cause for enmity, but may instead become true and enduring sources of peace and bonds ^m See the writer's " Gems and Precious Stones of North America," New York, 1890, PI. 4, and also his " Precious Stones " in 20th Annual Report of the U. S. Geological Surrey, Pt. VI, Washington, 1899, p. 577.