cyanite

[sahy-uh-nahyt]

noun

1. Mineralogy.,  kyanite.

cyanite

/ ˌsaɪəˈnɪtɪk, ˈsaɪəˌnaɪt /

noun

1. a variant spelling of kyanite

Other Word Forms

• cyanitic adjective

Word History and Origins

Origin of cyanite¹

First recorded in 1785–95; cyan- ¹ + -ite ¹

Example Sentences

The characteristic transverse striae, invariably present on the cleavage surfaces of stibnite and cyanite are due to secondary twinning along glide-planes, and have resulted from the bending of the crystals.

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The other minerals found in the concentrates are pebbles and fragments of pyrope, zircon, cyanite, chrome-diopside, enstatite, a green pyroxene, mica, ilmenite, magnetite, chromite, hornblende, olivine, barytes, calcite and pyrites.

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It contains, in the peninsula of Araya, garnets disseminated in the mass, cyanite and, when it passes to clayey-slate, small layers of native alum.

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We detached with difficulty a fragment of cyanite from a block of splintered and milky quartz, which was isolated on the shore.

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The mineral cyanite is remarkable in having widely different degrees of hardness on different faces of its crystals and in different directions on the same face.

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