"Hornblendic" Quotes from Famous Books
... great hardness, similar in all respects to those that are found in abundance on the shore of the Lake, or in the gravel-banks of that region. They are generally trap-rock, embracing the varieties of gray, porphyritic, hornblendic, sienitic, and amygdaloidal trap, and appear to have had no labor expended upon them except the chiselling of a groove around the middle for the purpose of attaching a withe to serve as a handle. In a few instances, I have noticed small hammers, usually egg-shaped, without a groove; and the battered ... — The Atlantic Monthly, Volume 15, No. 89, March, 1865 • Various |