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Webster 1913 Edition

Zoisite

Zois′ite

,
Noun.
[After its discoverer, Von
Zois
, an Austrian mineralogist.]
(Min.)
A grayish or whitish mineral occurring in orthorhombic, prismatic crystals, also in columnar masses. It is a silicate of alumina and lime, and is allied to epidote.

Webster 1828 Edition

Zoisite

ZOISITE

,
Noun.
[from Van Zois, its discoverer.] A mineral regarded as a variety of epidote. It occurs in deeply striated rhomboidal prisms, much compressed and rounded; its colors gray, yellowish or bluish gray, brown, grayish yellow, or reddish white. This is called also a subspecies of prismatoidal augite.

Definition 2024

zoisite

zoisite

English

Zoisite

Noun

zoisite ‎(plural zoisites)

  1. (mineralogy) A mineral with orthorhombic crystals, Ca2Al3(SiO4)(Si2O7)O(OH).

Derived terms

Translations

  1. ↑ Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997

Anagrams

Etymology

Named after Austrian scientist Baron Sigmund Zois von Edelstein (1747-1819) in 1805.[1] + -ite

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