Definition of Dioptase

1. n. A hydrous silicate of copper, occurring in emerald-green crystals.



Definition of Dioptase

1. Noun. An intense emerald-green to bluish-green copper cyclosilicate mineral. ¹

¹ Source: wiktionary.com

Definition of Dioptase

1. a mineral [n -S]

Medical Definition of Dioptase

1. A hydrous silicate of copper, occurring in emerald-green crystals. Origin: Gr. = through + to see: cf. F. Dioptase. Source: Websters Dictionary (01 Mar 1998)

Dioptase Pictures

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Lexicographical Neighbors of Dioptase

diomignite
dionaea
dionaeas
diones
dionine
dionysia
dionysiac
dionysias
dioon
dioperad
dioperads
diophantine
diopside
diopsides
diopsidic
dioptase (current term)
dioptases
diopter
diopters
dioptometer
dioptometers
dioptra
dioptral
dioptre
dioptres
dioptric
dioptric aberration
dioptrical
dioptrics
dioptries

Literary usage of Dioptase

Below you will find example usage of this term as found in modern and/or classical literature:

1. Elements of Chemical and Physical Geology by Gustav Bischof (1855)
"Silicate of copper is amorphous; dioptase is crystalline, and hence the difference ... The decomposition of dioptase, however, shows that no rock containing ..."

2. Report of the Annual Meeting (1872)
"... Esq., the well-known mineralogist, from a dealer at Vienna. The crystals on both are minute but distinct^ and aro those of dioptase. ..."

3. The Annals of Philosophy by Richard Phillips, E W Brayley (1816)
"He gives a short account of these experiments in the Annales de Chimie and Physique for March, just published. V. On dioptase. (To Dr. Thomson. ..."

4. Descriptive Mineralogy by William Shirley Bayley (1917)
"dioptase Crys- green color, a glassy luster and a green streak. ... Before the blowpipe dioptase turns black and colors the flame green. ..."

5. Annals of Philosophy, Or, Magazine of Chemistry, Mineralogy, Mechanics by Thomas Thomson (1816)
"He gives a short account of these experiments in the Annales de Chimie and Physique for March, just published. V. On dioptase. (To Dr. Thomson. ..."

6. Precious Stones by Wilbert Goodchild, Robert Dykes (1908)
"dioptase. dioptase and Malachite are of interest among gem stones on account of ... One might almost call dioptase a copper ore, and certainly Malachite is. ..."

7. Mineralogy: An Introduction to the Scientific Study of Minerals by Henry Alexander Miers (1902)
"The dioptase Class.—The crystals of this class possess an alternating axis of hexagonal symmetry. ... 187 represents a crystal of dioptase from the ..."

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