Jump to content

Humite: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
A4bot (talk | contribs)
m robot Adding: zh:矽鎂石
Line 24: Line 24:
[[nl:Humiet]]
[[nl:Humiet]]
[[uk:Гуміт (вугілля)]]
[[uk:Гуміт (вугілля)]]
[[zh:矽鎂石]]

Revision as of 01:30, 24 April 2008

Humite specimen with spinel (purple) intergrowth

Humite is an orthorhombic mineral of a transparent vitreous brown to orange color. It is found in the volcanically ejected masses of Vesuvius. It is a nesosilicate of iron and magnesium which also contains fluorine and hydroxide. The formula is: (Mg,Fe)7(SiO4)3(F,OH)2.

It was first described in 1813 and named for Abraham Hume (1749-1838).

See also