pericline

[per-i-klahyn]

noun

Mineralogy.

1. a variety of albite occurring in large, white opaque crystals.

pericline

/ ˈpɛrɪˌklaɪn /

noun

1. a white translucent variety of albite in the form of elongated crystals

2. Also called: dome. a dome-shaped formation of stratified rock with its slopes following the direction of folding

Word History and Origins

Origin of pericline¹

First recorded in 1825–35, pericline is from the Greek word periklīnḗs sloping on all sides

Word History and Origins

Origin of pericline¹

C19: from Greek periklinēs sloping on all sides, from _peri- + klinein to lean

Example Sentences

Albite twinning is very frequent, but in these rocks it is often accompanied by pericline twinning by which the broad or narrow albite plates are cut transversely by many thin, bright and dark bars as seen in polarized light.

From Project Gutenberg

The flowers, as before hinted, are thistle-shaped; the pericline or knob just under the florets is cone-shaped, covered with evenly set and pointed scales, green, edged with a brown margin, set round with short bristle-like teeth.

From Project Gutenberg