opaline


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opaline

[′ō·pə‚lēn]
(mineralogy)
Any of several minerals related to or resembling opal.
An earthy form of gypsum.
References in periodicals archive ?
In London in the late 1960s and early 70s, opalines were very expensive because the Shah of Persia and his wife liked them very much.
In the study, the researchers analyze the dental wear of the ungulates (herbivorous mammals) caused by microscopic particles of opaline silica in plants.
According to Kelly, these microparticles exhibit enhanced optoelectronic properties, and can be self-assembled into opaline arrays.
These silcretes are attributed to brackish, silica-saturated groundwaters from weathering granites, with precipitation of opaline and chalcedonic silica occurring in response to evaporative concentration as the flow path approaches a major discharge zone.
Boldly she presents herself, opaline against a jet-black background, her navel lifted on the merry swell of her abdomen.
One felt in the presence, as Henry Adams said of a friend, of a mind opaline with infinite shades and refractions of light.
The vase is made of blown opaline glass within a silver mount.
I rode Opaline Van Holland, a 17hh seven-year-old Belgian warmblood light bay gelding, to score a 28 dressage followed by double clear jumping to finish third best in my arena.
In many instances where radiolarians are well preserved, however, it is often taken to indicate that deposition was very rapid, protecting the relatively unstable opaline silica of their skeletons from dissolution; this is the case, for example, in the Early Eocene of the Jeanne d'Arc Basin, offshore Newfoundland (Thomas 1995).
A trio of Opaline glass vases like these with the painted panels and dated circa 1860-80 would be worth around pounds 100-pounds 200 if they were in perfect condition.
The luxurious fabrics and succulent foods that surround her, the abstracted expression with which she contemplates the plumes of smoke curving upward from her lips, and her opaline, nearly boneless body present an impossible dream of leisure and pleasure.
Apparently, Avon cosmetics marketed an Ancient Egyptian cat in opaline glass some years ago and, not surprisingly, this too has become scarce.