American Heritage® Dictionary of the English Language, Fourth Edition
- n. Variant of feldspar.
Century Dictionary and Cyclopedia
- n. Same as feldspar.
- n. alternative spelling of feldspar.
GNU Webster's 1913
- n. (Min.) See feldspar.
- n. any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
“From what has been said regarding the richness in potash of certain commonly occurring minerals, such as felspar, it is only natural to infer that most soils must contain large quantities of this substance; and this is so.”
“Among the mineral productions is a kind of felspar, which, when polished, exhibits a display of brilliant and beautiful colours.”
“Three barges, smothered in floury dust, were being unloaded of their cargoes of powdered felspar by a multitude of coughing men, each guiding a little truck; the dust filled the place with a choking mist, and turned the electric glare yellow.”
“And in the dusty biscuit-making place of the potters, among the felspar mills in the furnace rooms of the metal workers, among the incandescent lakes of crude Eadhamite, the blue canvas clothing was on man, woman and child.”
“On the sea beach I found masses of conglomerate formation, and in the trap occasional lamina of felspar.”
“Some of the heights are of greenish-yellow chloritic felspar, well adapted for brick-making.”
“To this period belong the felspar, syenites, and porphyries.”
“These consisted chiefly of quartz, felspar, and a silicious petrifaction of woody appearance.”
“At one place irregular concretions of milk-white quartz, cemented by a ferruginous basis, was predominant; at another, the rough surface of compact felspar weathering white presented merely the cavities in which large rounded pebbles had been imbedded, until the partial decomposition of the felspar, under the river floods, had exposed them once more to the action of water.”
“We crossed one or two slight elevations wholly composed of compact felspar in blocks — forming ridges resembling an outcrop of strata, whereof the strike always pointed N.W. and S. E.”
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