Definition of spinel

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Spinelle (n.) A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, brown, and black, the red variety being the gem spinel ruby. It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium..

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Ceylanite :: Ceylanite (n.) A dingy blue, or grayish black, variety of spinel. It is also called pleonaste..
Franklinite :: Franklinite (n.) A kind of mineral of the spinel group.
Seta :: Seta (n.) One of the spinelike feathers at the base of the bill of certain birds.
Spinel :: Spinelle (n.) A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, brown, and black, the red variety being the gem spinel ruby. It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium..
Acanthopterygious :: Acanthopterygious (a.) Having fins in which the rays are hard and spinelike; spiny-finned.
Spinozism :: Spinous (a.) Having the form of a spine or thorn; spinelike.
Balas Ruby :: Balas ruby () A variety of spinel ruby, of a pale rose red, or inclining to orange. See Spinel..
Pleonaste :: Pleonaste (n.) A black variety of spinel.
Spinelle :: Spinel (n.) Alt. of Spinell.
Candite :: Candite (n.) A variety of spinel, of a dark color, found at Candy, in Ceylon..
Acanthopterygii :: Acanthopterygii (n. pl.) An order of fishes having some of the rays of the dorsal, ventral, and anal fins unarticulated and spinelike, as the perch..
Espinel :: Espinel (n.) A kind of ruby. See Spinel.
Lherzolite :: Lherzolite (n.) An igneous rock consisting largely of chrysolite, with pyroxene and picotite (a variety of spinel containing chromium)..
Spinescent :: Spineless (a.) Having no spine.
Carbuncle :: Carbuncle (n.) A beautiful gem of a deep red color (with a mixture of scarlet) called by the Greeks anthrax; found in the East Indies. When held up to the sun, it loses its deep tinge, and becomes of the color of burning coal. The name belongs for the most part to ruby sapphire, though it has been also given to red spinel and garnet..
Vibraculum :: Vibraculum (n.) One of the movable, slender, spinelike organs or parts with which certain bryozoans are furnished. They are regarded as specially modified zooids, of nearly the same nature as Avicularia..
Anacanthous :: Anacanthous (a.) Spineless, as certain fishes..
Dysluite :: Dysluite (n.) A variety of the zinc spinel or gahnite.
Rostrum :: Rostrum (n.) The anterior, often spinelike, prolongation of the carapace of a crustacean, as in the lobster and the prawn..
Gahnite :: Gahnite (n.) Zinc spinel; automolite.
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