Hübnerite: Difference between revisions
wikademia>Golfman m Fixed minor typo |
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*crystalline structure: monoclinic-prismatic. | *crystalline structure: monoclinic-prismatic. | ||
==External links== | [[Image:http://www.fabreminerals.com/specimens/s_images28/FR56m.jpg]]==External links== | ||
*[http://mineral.galleries.com/minerals/sulfates/huebneri/huebneri.htm mineral galleries] | *[http://mineral.galleries.com/minerals/sulfates/huebneri/huebneri.htm mineral galleries] | ||
*[http://webmineral.com/data/Hubnerite.shtml webmineral.com] | *[http://webmineral.com/data/Hubnerite.shtml webmineral.com] | ||
Revision as of 02:27, 19 January 2006
Hübnerite is a mineral consisting of Manganese tungstate (chemical formula: MnWO4).
- Molecular weight of 302.79 g/mol. manganese makes up 18.14% of chemical composition, tungsten: 60.72%, oxygen: 21.14%.
- Named after German mineralologist, Adolf Huebner.
- cleavage:[010] Perfect.
- color: Brown, reddish brown, brownish black.
- density: 7.15 g/cm³
- fracture: brittle.
- Mohs hardness: 4.5-between fluorite and apatite.
- luster: submetallic.
- streak: red-brown.
- diaphaniety:Transparent to translucent.
- crystalline structure: monoclinic-prismatic.
File:Http://www.fabreminerals.com/specimens/s images28/FR56m.jpg==External links==
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