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Klebelsbergite
A valid IMA mineral species - grandfathered
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About Klebelsbergite
Kuno von Klebelsberg
Formula:
Sb4O4(SO4)(OH)2
Colour:
Dark yellow; colourless to yellow in transmitted light.
Lustre:
Vitreous, Silky
Hardness:
3½ - 4
Specific Gravity:
4.62
Crystal System:
Orthorhombic
Member of:
Name:
After Kuno von Klebelsberg (1875-1932), formerly the Hungarian Minister of Education.
Type Locality:
Unique Identifiers
Mindat ID:
2223
Long-form identifier:
mindat:1:1:2223:7
IMA Classification of Klebelsbergite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Sb3+4O4(S6+O4)(OH)2
Classification of Klebelsbergite
7.BB.35
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
B : With medium-sized cations
30.1.5.1
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
25.8.1
25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
25 : Sulphates
8 : Sulphates of Sb, V, Cr and U
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Kbb | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Klebelsbergite
Vitreous, Silky
Transparency:
Transparent
Colour:
Dark yellow; colourless to yellow in transmitted light.
Streak:
White to yellow
Hardness:
3½ - 4 on Mohs scale
Hardness:
VHN10=200 kg/mm2 - Vickers
Tenacity:
Brittle
Density:
4.62(6) g/cm3 (Measured) 4.68(1) g/cm3 (Calculated)
Optical Data of Klebelsbergite
Type:
Biaxial (-)
Dispersion:
relatively weak
Pleochroism:
Non-pleochroic
Chemistry of Klebelsbergite
Mindat Formula:
Sb4O4(SO4)(OH)2
Element Weights:
Elements listed:
Crystallography of Klebelsbergite
Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 11.279(2) Å, b = 14.909(3) Å, c = 5.7648(6) Å
Ratio:
a:b:c = 0.757 : 1 : 0.387
Unit Cell V:
969.40 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Occurs as tufts of tiny, acicular crystals elongated [001] and flattened {010}. Forms include: {001}, {010}, {110}, {101}, and {101}
Comment:
Space Group: P c21b.
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020337 | Klebelsbergite | Roper A J, Leverett P, Murphy T D, Williams P A, Hibbs D E (2015) Klebelsbergite, Sb4O4SO4(OH)2: Stability relationships, formation in nature, and refinement of its structure American Mineralogist 100 602-607 | 2015 | Synthetic | 0 | 293 | |
| 0000795 | Klebelsbergite | Manchetti S, Sabelli C (1980) The crystal structure of klebelsbergite Sb4O4(OH)2SO4 American Mineralogist 65 931-935 |  | 1980 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.131 Å | (vs) |
| 6.22 Å | (s) |
| 3.892 Å | (s) |
| 3.545 Å | (s) |
| 3.150 Å | (s) |
| 2.830 Å | (s) |
| 2.435 Å | (s) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] |
Geological Setting:
Oxidation zone of antimony deposits.
Type Occurrence of Klebelsbergite
Place of Conservation of Type Material:
Hungarian Natural History Museum, Budapest, Hungary, A85135; National Museum of Natural History, Washington, D.C., USA, R6365, B12631, B12640, B12647, 137949.
Geological Setting of Type Material:
Oxidation zone in stibnite deposit.
Associated Minerals at Type Locality:
Other Language Names for Klebelsbergite
Relationship of Klebelsbergite to other Species
Common Associates
Associations Based on Photo Data:
| 109 photos of Klebelsbergite associated with Stibnite | Sb2S3 |
| 24 photos of Klebelsbergite associated with Metastibnite | Sb2S3 |
| 23 photos of Klebelsbergite associated with Peretaite | Ca(SbO)4(SO4)2(OH)2 · 2H2O |
| 23 photos of Klebelsbergite associated with Native Sulphur | S8 |
| 9 photos of Klebelsbergite associated with Quartz | SiO2 |
| 7 photos of Klebelsbergite associated with 'Sphärosiderite' | FeCO3 |
| 5 photos of Klebelsbergite associated with Calcite | CaCO3 |
| 5 photos of Klebelsbergite associated with Stibiconite | Sb3+Sb5+2O6(OH) |
| 3 photos of Klebelsbergite associated with Kermesite | Sb2S2O |
| 3 photos of Klebelsbergite associated with Coquandite | Sb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3) |
Related Minerals - Strunz-mindat Grouping
| 7.BB. | Iskandarovite | Sb6O7(SO4)2 |
| 7.BB. | Brumadoite | Cu3(Te6+O4)(OH)4 · 5H2O |
| 7.BB. | Novikovite | (NH4)4Mo6+2Mo5+2O8(SO4)5 |
| 7.BB.10 | Hauckite | Fe3+3(Mg,Mn2+)24Zn18(SO4)4(CO3)2(OH)81 |
| 7.BB.15 | Antlerite | Cu3(SO4)(OH)4 |
| 7.BB.20 | Dolerophanite | Cu2(SO4)O |
| 7.BB.25 | Brochantite | Cu4(SO4)(OH)6 |
| 7.BB.25 | Ramaccioniite | Cu4[SeO4](OH)6 |
| 7.BB.30 | Vergasovaite | Cu3(SO4)(MoO4,SO4)O |
| 7.BB.30 | Cupromolybdite | Cu3O(MoO4)2 |
| 7.BB.35 | Tavagnascoite | Bi4O4(SO4)(OH)2 |
| 7.BB.40 | Schuetteite | Hg2+3O2(SO4) |
| 7.BB.45 | Paraotwayite | Ni(OH)2-x(SO4,CO3)0.5x |
| 7.BB.50 | Xocomecatlite | Cu3(TeO4)(OH)4 |
| 7.BB.55 | Pauflerite | (V4+O)SO4 |
| 7.BB.60 | Grandviewite | Cu3Al2(SO4)(OH)10 · H2O |
| 7.BB.65 | Timroseite | Pb2Cu5(TeO6)2(OH)2 |
| 7.BB.70 | Glikinite | Zn3O(SO4)2 |
| 7.BB.80 | Mojaveite | Cu6[Te6+O4(OH)2](OH)7Cl |
| 7.BB.85 | Paratimroseite | Pb2Cu4(TeO6)2(H2O)2 |
Other Information
Notes:
Slowly soluble in cold concentated HCl.
May be weakly magnetic if have iron impurities.
May be weakly magnetic if have iron impurities.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Klebelsbergite
mindat.org URL:
https://www.mindat.org/min-2223.html
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References for Klebelsbergite
Reference List:
Menchetti, Silvio, Sabelli, Cesare (1980) The crystal structure of klebelsbergite, Sb4O4(OH)2SO4. American Mineralogist, 65 (9-10) 931-935
Localities for Klebelsbergite
Showing 24 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Austria | |
|
Pereta Mine, Scansano, Grosseto Province, Tuscany, Italy