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Webster 1913 Edition

Staurolite

Stau′ro-lite

(sta̤′rō̍-līt)
,
Noun.
[Gr.
σταυρόσ
a cross +
-lite
.]
(Min.)
A mineral of a brown to black color occurring in prismatic crystals, often twinned so as to form groups resembling a cross. It is a silicate of alumina and iron, and is generally found imbedded in mica schist. Called also
granatite
, and
grenatite
.

Webster 1828 Edition

Staurolite

STAUROLITE

, STAUROTIDE,
Noun.
[Gr., a cross, a stone.] The granatit of Werner or grenatite of Jameson; a mineral crystalized in prisms, either single or intersecting each other at right angles. Its color is white or gray, reddish or brown. It is often opake, sometimes translucent. Its form and infusibility distinguish it from the garnet. It is called by the French, harmotome.

Definition 2024

staurolite

staurolite

English

Noun

staurolite ‎(plural staurolites)

  1. (mineralogy) a dark brown nesosilicate mineral that has crystals that cross and intergrow

Translations

Etymology

From Ancient Greek σταυρός ‎(staurós, “cross”) +‎ -lite, in reference to its frequent cruciform twinning.

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