Hübnerite: Difference between revisions
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Hubnerite named after German mineralologist, Adolf Huebner. Hubnerite chemical formula: MnWO4. Has a molecular weight of 302.79 gm. manganese makes up 18.14% of chemical composition, tungsten: 60.72%, Oxygen: 21.14%. | Hubnerite named after German mineralologist, Adolf Huebner. Hubnerite chemical formula: MnWO4. Has a molecular weight of 302.79 gm. manganese makes up 18.14% of chemical composition, tungsten: 60.72%, Oxygen: 21.14%. | ||
cleavage:[010] Perfect. | cleavage:[010] Perfect. | ||
Revision as of 22:22, 14 December 2004
Hubnerite named after German mineralologist, Adolf Huebner. Hubnerite chemical formula: MnWO4. Has a molecular weight of 302.79 gm. manganese makes up 18.14% of chemical composition, tungsten: 60.72%, Oxygen: 21.14%.
cleavage:[010] Perfect.
color: Brown, reddish brown, brownish black.
density: 7.15.
fracture: brittle.
hardness: 4.5-between flourite and apatite.
luster: submetallic.
streak: red-brown.
diaphaniety:Transparent to translucent.
crystalline structure: monoclinic-prismatic.