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Praseo- :: Praseo- () A combining form signifying green; as, praseocobalt, a green variety of cobalt..

Purpureo- :: Purpureo- () A combining form signifying of a purple or purple-red color. Specif. (Chem.), used in designating certain brilliant purple-red compounds of cobaltic chloride and ammonia, similar to the roseocobaltic compounds. See Cobaltic..

Cobalt :: Cobalt (n.) A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co..

Erythrite :: Erythrite (n.) A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also erythrol, erythroglucin, erythromannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetrabasic alcohol, corresponding to glycol and glycerin..

Pyrites :: Pyrites (n.) A name given to a number of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color..

Slaggy :: Slaggy (a.) Of or pertaining to slag; resembling slag; as, slaggy cobalt..

Skutterudite :: Skutterudite (n.) A mineral of a bright metallic luster and tin-white to pale lead-gray color. It consists of arsenic and cobalt.

Cobaltic :: Cobaltic (a.) Pertaining to, derived from, or containing, cobalt; -- said especially of those compounds in which cobalt has higher valence; as, cobaltic oxide..

Linnaeite :: Linnaeite (n.) A mineral of pale steel-gray color and metallic luster, occurring in isometric crystals, and also massive. It is a sulphide of cobalt containing some nickel or copper..

Roseo- :: Roseo- () A prefix (also used adjectively) signifying rose-red; specifically used to designate certain rose-red compounds (called roseo-cobaltic compounds) of cobalt with ammonia. Cf. Luteo-.

Roselite :: Roselite (n.) A hydrous arsenite of cobalt, occuring in small red crystals, allied to erythrite..

Arsenic :: Arsenic (n.) One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking with the nonmetals. It is of a steel-gray color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356¡ Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true arsenicum of

Luteocobaltic :: Luteocobaltic (a.) Pertaining to, or designating, certain compounds of cobalt having a yellow color. Cf. Cobaltic..

Kobalt :: Kobalt (n.) See Cobalt.

Bloom :: Bloom (n.) A popular term for a bright-hued variety of some minerals; as, the rose-red cobalt bloom..

Cabrerite :: Cabrerite (n.) An apple-green mineral, a hydrous arseniate of nickel, cobalt, and magnesia; -- so named from the Sierra Cabrera, Spain..

Cobaltite :: Cobaltite (n.) A mineral of a nearly silver-white color, composed of arsenic, sulphur, and cobalt..

Smaltite :: Smaltite (n.) A tin-white or gray mineral of metallic luster. It is an arsenide of cobalt, nickel, and iron. Called also speiskobalt..

Cobaltine :: Cobaltine (n.) Alt. of Cobaltit.

Cobalt :: Cobalt (n.) A commercial name of a crude arsenic used as fly poison.

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