American Heritage® Dictionary of the English Language, Fourth Edition
- n. A greenish to pinkish or lilac mineral, LiAlSi2O6, used as a source of lithium and in transparent varieties as a gemstone.
Century Dictionary and Cyclopedia
- n. A silicate of aluminium and lithium, occurring usually in flattened prismatic crystals, near pyroxene in form, also in cleavable masses. It is hard, transparent to translucent, and varies in color from grayish-, yellowish-, or greenish-white to emerald-green and purple. The emerald-green variety (hiddenite), found in North Carolina, is used as a gem. Also called
- n. mineralogy A greenish, yellowish or pinkish mineral, a lithium pyroxene (LiAl(SiO3)2) that is an ore of lithium, and a gemstone
GNU Webster's 1913
- n. (Min.) A mineral of a white to yellowish, purplish, or emerald-green color, occurring in prismatic crystals, often of great size. It is a silicate of alumina and lithia. See hiddenite.
- n. a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium
- French spodumène, from German Spodumen, from Greek spodoumenos, present participle of spodousthai, to be burned to ashes, from spodos, wood ashes (because the mineral becomes ash gray when exposed to air). (American Heritage® Dictionary of the English Language, Fourth Edition)
“These sources are less expensive to mine than from rock such as spodumene, petalite, and other lithium-bearing minerals.”
“I used shiny white glaze on one and kind of a stoneware glaze (spodumene) on the other.”
“It's been known for a long time that Afghanistan has a lot of spodumene, but it's much more expensive and difficult to process into a useable precursor for lithium battery materials than are the brines.”
“It isn't clear from the USGS report whether the lithium in Afghanistan is tied up in the form of spodumene or available as a brine from a salt lake.”
“I used shiny white glaze on one and kind of a stoneware glaze spodumene on the other.”
“Petalite is found in the minerals spodumene, lepidolite mica, and amblygonite.”
“Some lithium is recovered from the mineral spodumene.”
“The largest spodumene crystal ever found was found in a pegmatite in South Dakota.”
“Commercial quantities of spodumene are in a special igneous rock deposit that geologists call a pegmatite.”
“Pegmatite veins, mostly, in association with the true lithium minerals such as spodumene and—”
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