Jasper
a mineral of the quartz family, which occurs in the form of portions of hills of considerable size. In rocky masses , often making up large hue, it is of various shades of red, low, brown , and green, and sometimes arred, yelranged in stripes, when it is called ribbon jasper. Its varied colors are generally derived from iron in different degrees of is much used for ornamental ornamental purposes, on account of its susceptibility of taking a high polish.
Bloodstone, or heliotrope, is a deep green variety of jasper, with blood-red spots. blood-red spots. Touchstone is a velvetpurity of gold alloys. The alloy is black flinty variety, used for testing the rubbed on the stone, so as to leave a mated by the brightness of the color metallic streak, and the quality is estiwhen nitric acid is washed over it. The principal deposit of jasper is the gorge in Siberia. of the Jewish high-priest (Exod. xxviii :
This gem, the 12th in the breast-plate 20), 1491 в. c., Greeks and Romans. 20), 1491 B. C., was esteemed by the Moldavia, the N. division of Rumania.