Misplaced Pages

Abswurmbachite

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
Copper manganese silicate mineral
Abswurmbachite
General
CategoryNesosilicate
Formula
(repeating unit)
(Cu,Mn)Mn6O8SiO4
IMA symbolAbs
Strunz classification9.AG.05
Dana classification7.5.1.4
Crystal systemTetragonal
Crystal class4/mmm – Ditetragonal dipyramidal
Unit cell1640.82 ų
Identification
ColorBlack
CleavageNone observed
TenacityBrittle
Mohs scale hardness6.5
LusterMetallic
StreakBrownish black
Specific gravity4.96 g/cm
Density4.96 g/cm
PleochroismNon-pleochroic
Common impuritiesIron
References

Abswurmbachite is a copper manganese silicate mineral ((Cu,Mn)Mn6O8SiO4). It was first described in 1991 and named after Irmgard Abs-Wurmbach (born 1938), a German mineralogist. It crystallizes in the tetragonal system. Its Mohs scale rating is 6.5 and a specific gravity of 4.96. It has a metallic luster and its color is jet black, with light brown streaks.

See also

References

  1. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. "Abswurmbachite". mindat.org. Retrieved 18 February 2022.


Stub icon

This article about a specific silicate mineral is a stub. You can help Misplaced Pages by expanding it.

Categories: