geikielite
geikielite
[′gē·kē‚līt] (mineralogy)
MgTiO3 A bluish-black or brownish-black mineral that crystallizes in the rhombohedral system and occurs in the form of rolled pebbles; it is isomorphous with ilmenite.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The content of
geikielite component (MgTi[O.sub.3]) is negligible and hematite component is missing.
They are typically found in marble ejecta, sometimes in association with
geikielite. The crystal shown is twinned by rotation about the three-fold [111] axis and is called (aptly) a "spinel twin."
93-044 Isostructural wuth ilmenite and
geikielite Hexagonal: [Mathematical Expression Omitted] a 5.301 c 15.932 [angstrom] Colorless; pearly; transparent.
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