schorl

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schorl

S0143200 (shôrl)n. Tourmaline, especially black tourmaline.

[German Schörl.]

schor·la′ceous (shôr-lā′shəs) adj.

schorl

(ʃɔːl) n (Minerals) a black tourmaline consisting of a borosilicate of sodium, iron, and aluminium. Formula: NaFe3B3Al3(Al3Si6O27)(OH)4[C18: from German Schörl, origin unknown] schorˈlaceous adj

Thesaurus

Noun

schorl - black tourmalinetourmaline - a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones

Schorl

schorl

[shȯrl] (mineralogy) schorlite

Schorl

a mineral, a black ferruginous variety of tourmaline with isomorphic admixtures of magnesium, manganese, and trivalent iron (seeTOURMALINE). Schorl is found in granites, pegmatites, greisens, skarns, gneisses, hydrothermal veins, and various metamorphic shales.

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Words related to schorl

noun black tourmaline

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