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Updated: June 8, 2025
It is a naturally-occurring, hundred-faceted crystal, just as you see it there deep blue, perfectly transparent, intensely refractive, and constantly emitting that strong, blue light. It is so hard that it cannot be worked, cut, or ground. No amount of the hardest known abrasive will even roughen its surface.
There are times in any perplexed love when the lovers revel in bringing out just those problems and demands and complaints which they have most carefully concealed. At such a time of mutual confession, if the lovers are honest and tender, there is none of the abrasive hostility of a vulgar quarrel.
It will be ground still finer in the process. For the final polishing, a little infusorial earth or even kaolin will do. The surface to be ground is moistened with water and dusted over with a little of the abrasive. The plug is now inserted in the stopcock, and turned with a gentle pressure.
The two surfaces in the stopcock are usually grinding upon each other at this stage, and inspection will show whether the contact between them is uniformly good. If not, the grinding must be continued with a little fresh abrasive.
One of the earliest notable uses of the electric furnace in a large electro-chemical industry was for the production of carborundum, a carbide of silicon, which is remarkably useful as an abrasive, being available in the manufacture of grinding stones and other like purposes to replace emery and corundum.
At a later date, an abrasive company of Denver conceived the plan of grinding up these trunks to make emery because of their extreme hardness; in fact, a plant was shipped to Adamana station for that purpose.
This turning should be in the same direction for several revolutions, then in the opposite direction for several more revolutions, etc. As the abrasive becomes finer during the grinding, a little more may be added if necessary. In general, only a little grinding will be required, and one small pinch of carborundum or emery will be ample.
When violence was really known and the world was conclusively bad in one's perspective one could go at it alone. In the shower he used a type of dual washcloth connected together like a mitten. He put his hand inside of it and used its abrasive side to scour his body. He tried not to stare at all of the bodies doing the same.
Mary had always liked to watch the oscillators and as she stood there, her guests temporarily forgotten, her eyes filled with the almost human movements of the whirling machines, her ears with the triumphant music of the abrasive wheels biting into the metal, that same unconscious air of pride fell upon her, too, and although she didn't know it, her glance deepened and her head went up quite in the old Spencer manner.
"I suppose," remarked Aunt Mirabelle, in her most abrasive voice, "I suppose you're waiting for me to say I hope you had a good time. Well, I'm not a-going to say it, because it wouldn't be true, and I wouldn't want to have it sitting on my conscience. Of course, some people haven't got much of any conscience for anything to sit on, anyway. If they did, they'd be earnest, useful citizens.
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