from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A red silicate mineral that forms in alkaline igneous rocks such as nepheline syenites.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral of a brownish red color and vitreous luster, consisting chiefly of the silicates of iron, zirconia, and lime.
from The Century Dictionary and Cyclopedia
- n. A mineral of a brownish-red color, occurring in rhombohedral crystals, also massive, in Greenland.
The Red Wine complex has a considerable amount of the mineral eudialyte , which is known around the world to be a potential source of heavy rare earth elements.
The placer gravels contain abundant chevkinite, eudialyte, ilmenite, monazite, tscheffkinite, and zircon and minor to trace allanite, cassiterite and thorite.
Pink eudialyte and thorite occur as disseminations and blebs in the dyke.
The prospect consists of thin uranium and thorium-enriched veins in a eudialyte-bearing, hornblende diorite dyke that intrudes into the contact zone between the Windy Fork Complex and Dillinger clastic rocks.
Beginning with the upper-syenite through to the basal portion dominated by calc-alkaline rocks, we firstly encounter a zone dominated by eudialyte (a mineral that contains up to 10% rare earth oxides