from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See aventurine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A translucent form of feldspar having flakes of hematite, used as an ornamental stone.
from the GNU version of the Collaborative International Dictionary of English
- n. Aventurine feldspar. See under aventurine.
from The Century Dictionary and Cyclopedia
- n. A variety either of oligoclase or of orthoclase, or when green a microcline feldspar, showing red or golden-yellow colored reflections produced by included minute crystals of mica, göthite, or hematite.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a translucent quartz spangled with bits of mica or other minerals
Sorry, no etymologies found.
Such a tool, known as a sunstone, is known from legend, but until now experimental evidence that it could actually work as hypothesized was lacking.
In Dinotopia: The World Beneath, 1995, large caverns beneath the island are lit by glowing algae, "sunstone" crystals, and ferns.
For a "sunstone" they used a polarimeter, a device that measures polarization.
So they used a polarimeter to mimic the possible effect of a supposed "sunstone" crystal, but the article doesn't detail exactly what sort of crystal that might be.
The enigmatic sunstone appears as an extra navigational aid in an Icelandic saga featuring a sailor called Sigurd who, frustrated by the weather, holds a sunstone aloft to locate the sun and so set his ship's course.
The ruby-colored light from the sunstone gives him a threatening, power-mad look.
The portrait of the character Lee Crabb from Dinotopia, below, shows him at a dramatic moment when he wants to take control of a powerful glowing sunstone.
Touching the sunstone in her right ear, she cast a protective net over a hundred-square-yard area.
Backing up, Sara touched one of her sunstone earrings to amp her powers, then attempted another binding spell.
With an absent touch of her fingers to the sunstone stud sparkling in her earlobe, she instantly changed her clothes.