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Abswurmbachite

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Formula:
CuMn63+(SiO4)O8
System:
Tetragonal
Colour:
black
Hardness:
Member of:
Name:
Named after Dr. Irmgard Abs-Wurmbach (1938-), Institut für Mineralogie, Ruhr Universität, Bochum, Germany.
This page provides mineralogical data about Abswurmbachite.

Classification of Abswurmbachite

Approved 1990
9.AG.05

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
7.5.1.4

7 : MULTIPLE OXIDES
5 : (AB)2X3
14.18.6

14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
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Type Occurrence of Abswurmbachite

General Appearance of Type Material:
Anhedral grains to 50 microns.
Place of Conservation of Type Material:
Institute for Mineralogy, Ruhr University, Bochum, Germany; National Museum of Natural History, Washington, DC, USA
Year of Discovery:
1990
Geological Setting of Type Material:
In very low-grade, high pressure metamorphic quartzites

Occurrences of Abswurmbachite

Geological Setting:
In very low-grade, high-pressure metamorphic Mn, Al-rich quartzites.

Physical Properties of Abswurmbachite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
black
Comment:
grey in reflected light.
Streak:
brownish black
Hardness (Mohs):
Cleavage:
None Observed
Density:
4.96 g/cm3 (Calculated)

Crystallography of Abswurmbachite

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I41/acd
Cell Parameters:
a = 9.406Å, c = 18.546Å
Ratio:
a:c = 1 : 1.972
Unit Cell Volume:
V 1640.82 ų
Z:
8
X-Ray Powder Diffraction Data:
d-spacingIntensity
3.475 (10)
2.702 (100)
2.350 (15)
1.663 (10)
1.416 (10)
1.402 (10)

Chemical Properties of Abswurmbachite

Formula:
CuMn63+(SiO4)O8
Essential elements:
All elements listed in formula:
Common Impurities:
Ti,Al,Fe,Cu,Mg,Ca

Relationship of Abswurmbachite to other Species

Member of:
Other Members of Group:
BrauniteMn2+Mn63+(SiO4)O8
GatedaliteZrMn22+Mn43+SiO12
NeltneriteCaMn63+(SiO4)O8
9.AG.05BrauniteMn2+Mn63+(SiO4)O8
9.AG.05NeltneriteCaMn63+(SiO4)O8
9.AG.05Braunite-IICaMn143+(SiO4)O20
9.AG.10Långbanite(Mn2+,Ca)4(Mn3+,Fe3+)9Sb5+(SiO4)2O16
9.AG.15MalayaiteCaSn(SiO4)O
9.AG.15TitaniteCaTi(SiO4)O
9.AG.15VanadomalayaiteCaV4+(SiO4)O
9.AG.15Natrotitanite(Na0.5Y0.5)Ti(SiO4)O
9.AG.20Cerite-(Ce)(Ce,Ca)9(Mg,Fe)(SiO4)3(HSiO4)4(OH)3
9.AG.20Cerite-(La)(La,Ce,Ca)9(Fe,Ca,Mg)(SiO4)3(HSiO4)4(OH)3
9.AG.20Aluminocerite-(Ce)(Ce,La,Ca)9(Al,Fe3+)(SiO4)3(HSiO4)4(OH)3
9.AG.25Trimounsite-(Y)Y2Ti2(SiO4)O5
9.AG.25Yftisite-(Y)(Y,Dy,Er)4(Ti,Sn)(SiO4)2O(F,OH)6
9.AG.30SitinakiteKNa2Ti4(SiO4)2O5(OH) · 4H2O
9.AG.35KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2O
9.AG.40aNatisiteNa2Ti(SiO4)O
9.AG.40bParanatisiteNa2Ti(SiO4)O
9.AG.45Törnebohmite-(Ce)(Ce,La)2Al(SiO4)2(OH)
9.AG.45Törnebohmite-(La)(La,Ce)2Al(SiO4)2(OH)
9.AG.50Kuliokite-(Y)Y4Al(SiO4)2(OH)2F5
9.AG.55ChantaliteCaAl2(SiO4)(OH)4
9.AG.60MozartiteCaMn3+(SiO4)(OH)
9.AG.60VuagnatiteCaAl(SiO4)(OH)
9.AG.65HatruriteCa3(SiO4)O
9.AG.70JasmunditeCa11(SiO4)4O2S
9.AG.75AfwilliteCa3(HSiO4)2 · 2H2O
9.AG.80BultfonteiniteCa2(HSiO4)F · H2O
9.AG.85ZoltaiiteBaV24+V123+(SiO4)2O19
9.AG.90Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O4
14.18.1Nambulite(Li,Na)Mn4Si5O14(OH)
14.18.2Natronambulite(Na,Li)(Mn,Ca)4Si5O14OH
14.18.3ZakharoviteNa4Mn5Si10O24(OH)6 · 6H2O
14.18.4NorrishiteKLiMn23+(Si4O10)O2
14.18.5Shafranovskite(Na,K)6(Mn,Fe)3Si9O24 · 6H2O
14.18.7Donpeacorite(Mn2+,Mg)Mg[SiO3]2
14.18.8KanoiteMn2+(Mg,Mn2+)Si2O6
14.18.9Caryopilite(Mn,Mg)3(Si2O5)(OH)4
14.18.10Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
14.18.11Tirodite
14.18.12Manganhumite(Mn2+,Mg)7(SiO4)3(OH)2
14.18.13BustamiteCaMn2+(Si2O6)
14.18.14GlaucochroiteCaMn2+SiO4
14.18.15Truscottite(Ca,Mn)14Si24O58(OH)8 · 2H2O
14.18.16SantaclaraiteCaMn4[Si5O14OH](OH) · H2O
14.18.17FerrobustamiteCaFe2+(Si2O6)
14.18.18JohannseniteCaMn2+Si2O6
14.18.19NeltneriteCaMn63+(SiO4)O8
14.18.20OrlymaniteCa4Mn3Si8O20(OH)6 · 2H2O
14.18.21InesiteCa2(Mn,Fe)7Si10O28(OH)2 · 5H2O
14.18.22OrientiteCa8Mn103+(SiO4)3(Si3O10)3(OH)10 · 4H2O
14.18.23RuiziteCa2Mn23+[(OH)2|H2Si4O13] · 2H2O
14.18.24BostwickiteCaMn6Si3O16 · 7H2O
14.18.25KittatinnyiteCa2Mn2Mn(SiO4)2(OH)4 · 9H2O
14.18.26LithiomarsturiteLiCa2Mn2Si5O14(OH)
14.18.27SéranditeNa(Mn2+,Ca)2(HSi3O9)
14.18.28KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2
14.18.29MarsturiteNaCaMn3Si5O14(OH)
14.18.30RaiteNa4Mn32+Ti0.25Si8O20(OH)2 · 10H2O
14.18.31Richterite{Na}{CaNa}{Mg5}(Si8O22)(OH)2
14.18.32Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
14.18.33Deerite(Fe,Mn)6(Fe,Al)3[Si6O17]O3(OH)5
14.18.34Calderite(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
14.18.35PyroxmangiteMnSiO3
14.18.36Dannemorite
14.18.37Neotocite(Mn,Fe,Mg)SiO3 · H2O
14.18.38BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
14.18.39ManganbabingtoniteCa2(Mn,Fe)FeSi5O14(OH)
14.18.40ÖrebroiteMn32+(Sb5+,Fe3+)(SiO4)(O,OH)3

Other Names for Abswurmbachite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Abswurmbachite

Reference List:
Neues Jahrb. Min., Abh. (1991) 163, 117-143.
Am. Min. (1992) 77, 670 (abstract)
New Mins. (1997) New Minerals 1990-1994.

Internet Links for Abswurmbachite

Localities for Abswurmbachite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Greece (TL)
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Andros Island
          • Vasilikon Mt
Neues Jahrb.Min.,Abh.(1991) 163, 117-143
  • Sterea Hellas Department
    • Évvoia Prefecture
      • Évvia Island (Euboea; Évvoia)
[Neues Jahrb.Min.,Abh.(1991) 163, 117-143]
Japan
 
  • Shikoku Island
    • Ehime prefecture
      • Shikokuchuo City
The Mineral Species of Japan (5th ed) Matsubara
mylonite.eps.nagoya-u.ac.jp/~enami/abstract/ganko0001.html; Enami, M., & Banno, Y. (2001). Partitioning of Sr between coexisting minerals of the hollandite-and piemontite-groups in a quartz-rich schist from the Sanbagawa metamorphic belt, Japan. American Mineralogist, 86(3), 205-214.
Mineral and/or Locality  
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