from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A fine-grained mica found in metamorphic rocks
from the GNU version of the Collaborative International Dictionary of English
- n. A kind of muscovite occuring in silky scales having a fibrous structure. It is characteristic of sericite schist.
from The Century Dictionary and Cyclopedia
- n. A variety of potash mica, or muscovite, occurring in fine scales of a greenish-or yellowish-white color: so named from its silky luster.
Sorry, no etymologies found.
"The quartzite shows granoblastic and blastopsammitic texture, with grain sizes varying from coarse sand to very fine pebble and with minor microcrystals of sericite, fuchsite, andalusite and iron oxide, besides detrital tourmaline, rutile, and zircon." link
The rocky cliffs, about eighty feet in height at the highest point, were formed of vertically lying slate rocks -- a very uniform series of phyllite and sericite-schist.
In igneous rock the ore-bearing solutions may have altered the wall rock to a dense mixture of quartz, sericite, and chlorite.
Various potassium silicates -- leucite, feldspar, sericite, and glauconite -- and the potassium sulphate, alunite, have received attention and certain of them have been utilized to a small extent, but none of them are normally able to compete on the market.
The gold, in particles hardly visible to the eye, is in a sandy matrix and is associated with chloritoid, sericite, calcite, graphite, and other minerals.
The wall rocks have undergone a "propylitic" alteration, with development of chlorite, epidote, and probably sericite, much as at Butte.
Where sericite is dominant, the alteration is called sericitic alteration.
Alunite is a potassium-aluminum sulphate, which differs from sericite in that sulphur takes the place of silicon.
A dark red, finely laminated rock consisting chiefly of decomposed biotite and feldspar, occasional quartz grains and sericite and much iron oxide.
A dark compact rock, in which calcite and sericite predominate.