chiastolite

chi·as·to·lite

(kī-ăs′tə-līt′)

A mineral variety of andalusite with carbonaceous impurities regularly arranged along the longer axis of the crystal.

[From Greek khīastos, crossed, past participle of khīazein, to mark with an X; see chiasma.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chiastolite

(kaɪˈæstəˌlaɪt)

(Minerals) a variety of andalusite containing carbon impurities. Also called: macle

[C19: from German Chiastolith, from Greek khiastos crossed, marked with a chi + lithos stone]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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References in periodicals archive ?

Sector-boundary zoning--Sector-boundary zoning occurs in chiastolite (andalusite; Fig.

Classification, Character, and Origin of Textural Zoning in Porphyroblasts: Significance and Relation to Strain

The Northern Karakoram Terrane comprises sedimentary units such as Pasu limestones, Pasu slates, chiastolite slates and precollision K2 orthogneiss and granites.

Rate of erosion and exhumation of crystalline rocks in the Hunza Karakoram defined by Apatite fission track analysis

"chiastolite"), one shows the "Scotch-plaid" twinning of microcline as seen in thin section, and the other shows striations on {001} due to polysynthetic twinning on the albite law for the plagioclase series.

Dana's New Mineralogy

CHIASTOLITE CROSS STONES SPEAKER MARY ANNE MACLEOD: on Sunday, Nov.

Lancaster

The exact shape of the sectors, like those in the chiastolite variety of andalusite, varies from crystal to crystal, and along the length of a single crystal.

Inhibited growth of crystals

In addition, he also worked for several years alongside his brother, making Chiastolite Crystal jewelry.