augite's Usage Examples:

of the aegirine-augite series.

In the aegirine-augite series the sodium.

igneous rocks that are rich in augite and were formed from basaltic magma about 1.

They contain augite and olivine crystals.

yellow-green olivine phenocrysts (20-50%) and black to dark brown pyroxene, mostly augite.

Angrites are a rare group of achondrites consisting mostly of the mineral augite with some olivine, anorthite and troilite.

relative to other basalts and by the presence of olivine and titanium-rich augite in its groundmass and phenocrysts, and nepheline in its CIPW norm.

The missourites are more mafic and consist of leucite, olivine, augite and biotite; the leucite is partly fresh partly altered to analcite, and.

silica is present in greater quantity over ferromagnesian minerals, such as augite, hornblende, enstatite or biotite, occur rather than olivine.

Sometimes granular augite or spongy riebeckite occurs in the groundmass, but as a rule this part of.

system, as does augite, and a miscibility gap exists between the two minerals.

At lower temperatures, pigeonite is unstable relative to augite plus orthopyroxene.

igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).

It is composed predominantly of augite and plagioclase.

a miscibility gap between pigeonite and augite compositions.

There is an arbitrary separation between augite and the diopside-hedenbergite (CaMgSi2O6 –.

is a dark green pyroxene mineral, a manganese zinc enriched variety of augite, chemical formula Ca(Mn,Zn,Fe)Si 2O 6, sometimes compared to aegirine.

When olivine and more iron-rich augite are present, the rock grades into ferrodiorite, which is transitional to.

with large augite, olivine and magnetite phenocryst crystals, surrounded by a matrix of smaller crystals such as bytownite, labradorite, augite, titanite.

forms complete solid solution series with hedenbergite (FeCaSi 2O 6) and augite, and partial solid solutions with orthopyroxene and pigeonite.

    (I) Anorthite and augite.

Ijolite is an igneous rock consisting essentially of nepheline and augite.

rock consisting essentially of minerals of the pyroxene group, such as augite, diopside, hypersthene, bronzite or enstatite.

Synonyms:

mineral;

Antonyms:

organic;