from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Mineral matter in a vein exclusive of the ore; gangue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. gangue
from the GNU version of the Collaborative International Dictionary of English
- n. The valueless nonmetalliferous mineral or rock material which surrounds the ores in a vein, as quartz, calcite, barite, fluor spar, etc.; gangue; matrix; -- called also veinstuff.
from The Century Dictionary and Cyclopedia
- n. The earthy or nonmetalliferous part of a lode, vein, or ore-deposit. See gangue.
- n. A concretion formed within a vein; a phlebolite.
All the patience, all the ingenuity of the settlers was needed; but at last it succeeded, and the result was a lump of iron, reduced to a spongy state, which it was necessary to shingle and fagot, that is to say, to forge so as to expel from it the liquefied veinstone.
This ore, very rich in iron, enclosed in its fusible veinstone, was perfectly suited to the mode of reduction which the engineer intended to employ; that is, the
A huge mass of the veinstone holding abundance of this mineral is exposed, whence it may be plentifully obtained in excellent crystals.
But there are apparently good reasons for preferring the theory of Richthofen: viz., first, the veinstone of the Comstock is chiefly quartz, the natural and common precipitate of _hot_ waters, since they are far more powerful solvents of silica than cold.
An inner reform is therefore imperative today, if we are to succeed in unearthing and sifting, in our perception of nature, under the veinstone of practical symbolism, the true intuitional content.
The ores are chiefly sulphurets and the veinstone is quartz and siderite.
The veinstone averaging this width, is quartz, and carries ten per cent. sulphurets, mainly pyrite.
The vein-gold of this State is usually found in a gangue of quartz, or disseminated in a slaty veinstone; and is commonly associated with iron and copper pyrites.
A Guide to Capitalists and Emigrants: Being a Statistical and Descriptive Account of the Several Counties of the State of North Carolina, United States of America; Together with Letters of Prominent Citizens of the State in Relation to the Soil, Climate, Productions, Minerals, &C., and an Account of the Swamp Lands of the State
The best of these mines are veins of quartz, or of slaty veinstone, with iron and copper pyrites associated.
To deceive the eyes of their bird-tyrants, the Swift, the Swallow, the Chat and the others, these Chrysis-wasps, who glow like a carbuncle, like a nugget in the midst of its dark veinstone, certainly do not adapt themselves to the sand and the clay of their downs.