It is most interesting to note that the superstitious use of these objects in burials was so widespread as to prove that it must have been due to some inherent property or properties in white stones, and especially in pebbles of white quartz, which appealed very strongly to the mind of primitive man. That, as has been noted above, the conception of purity should be associated with whiteness, in its contrast to any obscure color, is natural enough, and rests upon the association of spotless cleanliness with moral purity, and very probably the sparkles of light emitted by a bright piece of quartz, normally or on percussion, brought this material into some connection with the worship of fire, or of fire-gods. To another possible conception along the same lines we have already alluded. An instance is reported where a very curious quartz pebble, one-half white and the other black, was found within the hand bones of the skeleton of an Indian; the finder carried it about with him for many years as a “lucky stone,” but it appears that his personal experience of its effects, if these can be judged from what happened to the bearer of such a talisman, has been of a kind to shatter the most robust faith in the protective power of his Indian charm. Possibly the strange relic may have symbolized night and day for the Indians, and thus have been believed to guard the wearer or the person with whom it was buried, at all times and seasons. That pebbles of this sort were sometimes buried in the ground, disposed in circles and squares, is vouched for by some who claim to have unearthed them in ploughing, but our informant was not able to confirm these statements, as the arrangements had always been effectually disturbed before he reached the spot.[46] In many graves of the primitive Red-paint People of Maine, small pebbles have been found. As they were not large enough to have served as paint-grinders, and as but one such pebble occurs in any single grave, the presumption is quite strong that they were considered as talismans for the dead. The fact that the practical laborers of our day who dug out these graves instinctively named the pebbles “lucky stones” goes to prove that this supposition is not too far-fetched, although there is no positive evidence to support it. The pebbles were yellow, bright red, or gray in color, the graves explored being at Orland, Maine, as well as at the outlet of Lake Alamoosook, on the south side of this lake and at Passadumkeag; indeed such graves have been met with all the way from the Kennebec Valley eastward to Bar Harbor.[47]