Definitions
from The Century Dictionary.
- noun A mineral of a green color and micaceous structure, in composition a silicate of aluminium and potassium, remarkable for containing nearly 30 per cent, of vanadium pentoxid. It has been found in California associated with gold.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A monoclinic-prismatic
mineral containingaluminum ,hydrogen ,magnesium ,oxygen ,potassium ,silicon , andvanadium .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
-ite
Support
Help support Wordnik (and make this page ad-free) by adopting the word roscoelite.
Examples
-
Locally the sandstones contain as much as 20 per cent of the roscoelite.
-
The deposits of Colorado and Utah are large lens-shaped bodies containing roscoelite (a vanadium-bearing mica) in fissures and brecciated zones and replacing the cementing materials of flat-lying sandstones.
-
The important commercial deposits of Colorado and Utah contain carnotite, together with roscoelite (a vanadium mica) and small amounts of chromium, copper, and molybdenum minerals, as impregnations of flat-lying Jurassic sandstones.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.