Wurtzite

Wurtzite is a zinc iron sulfide mineral ((Zn,Fe)S) a less frequently encountered mineral form of sphalerite. The iron content is variable up to eight percent. It is trimorphous with matraite and sphalerite. It occurs in hydrothermal deposits associated with sphalerite, pyrite, chalcopyrite, barite and marcasite. It also occurs in low-temperature c...
Found on http://en.wikipedia.org/wiki/Wurtzite

wurtzite

a zinc sulfide mineral that occurs typically in Potosí, Bolivia; Butte, Mont.; and Goldfield, Nev. It is a rare and unstable (at temperatures below ... [1 related articles]
Found on http://www.britannica.com/eb/a-z/w/57

Wurtzite

Wurtzite is a rare mineral formed mainly with other sulphide ores in hydrothermal veins. It is sometimes also found in concretions in sedimentary rocks such as clay and ironstone and in contact metamorphosed limestone.
Found on http://www.probertencyclopaedia.com/browse/HW.HTM

Wurtzite

Zinc sulfide (alpha)
Found on http://www.translationdirectory.com/glossaries/glossary075.htm
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