sphalerite - meaning and definition. What is sphalerite
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What (who) is sphalerite - definition

ZINC-IRON SULFIDE MINERAL
False galena; Mock lead; Black-jack ore; Zinc blende; Zincblende; Zinc-blende; Marmatite; Zinc Blende; Zinc blend
  • The crystal structure of sphalerite
  • Sphalerite fluorescing under ultraviolet light. (Sternberg Museum of Natural History, Kansas, USA)

sphalerite         
['sfal?r??t]
¦ noun a shiny mineral, yellow to dark brown or black in colour, consisting of zinc sulphide.
Origin
C19: from Gk sphaleros 'deceptive' + -ite1; cf. blende.
Sphalerite         
·noun Zinc sulphide;
- called also blende, black-jack, false galena, ·etc. ·see Blende (a).
Marmatite         
·noun A ferruginous variety of shalerite or zinc blende, nearly black in color.

Wikipedia

Sphalerite

Sphalerite (sometimes spelled sphaelerite) is a sulfide mineral with the chemical formula (Zn,Fe)S. It is the most important ore of zinc. Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide deposits. It is found in association with galena, chalcopyrite, pyrite (and other sulfides), calcite, dolomite, quartz, rhodochrosite, and fluorite.

German geologist Ernst Friedrich Glocker discovered sphalerite in 1847, naming it based on the Greek word sphaleros, meaning "deceiving", due to the difficulty of identifying the mineral.

In addition to zinc, sphalerite is an ore of cadmium, gallium, germanium, and indium. Miners have been known to refer to sphalerite as zinc blende, black-jack, and ruby blende. Marmatite is an opaque black variety with a high iron content.