Ottoite
A valid IMA mineral species
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About Ottoite
Formula:
Pb2TeO5
Colour:
Yellow
Lustre:
Adamantine
Specific Gravity:
8.721 (Calculated)
Crystal System:
Monoclinic
Name:
For Otto Mountain, the type locality.
Unique Identifiers
Mindat ID:
39834
Long-form identifier:
mindat:1:1:39834:5
Similar Names
IMA Classification of Ottoite
Approved
IMA Formula:
Pb2+2Te6+O5
Approval year:
2009
First published:
2010
Type description reference:
Classification of Ottoite
7.AB.25
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
B : With medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
B : With medium-sized cations
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 |
|---|---|---|
| Oto | 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 Ottoite
Adamantine
Transparency:
Transparent, Translucent
Colour:
Yellow
Streak:
Pale yellow
Tenacity:
Brittle
Fracture:
Irregular/Uneven
Density:
8.721 g/cm3 (Calculated)
Optical Data of Ottoite
Type:
Biaxial (-)
Pleochroism:
Not Visible
Comments:
Y ≈ a
Chemistry of Ottoite
Mindat Formula:
Pb2TeO5
Element Weights:
Elements listed:
Crystallography of Ottoite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 7.5353(6) Å, b = 5.7142(5) Å, c = 10.8981(12) Å
β = 91.330(6)°
β = 91.330(6)°
Ratio:
a:b:c = 1.319 : 1 : 1.907
Unit Cell V:
469.13 ų
Z:
4
Comment:
Space-group setting I2/a.
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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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) |
|---|---|---|---|---|---|---|---|
| 0017558 | Ottoite | Kampf A R, Housley R M, Mills S J, Marty J, Thorne B (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: I. Ottoite, Pb2TeO5, a new mineral with chains of tellurate octahedra American Mineralogist 95 1329-1336 |  | 2010 | Otto Mountain, Baker, California, USA | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.131 Å | (64) |
| 3.055 Å | (90) |
| 3.015 Å | (100) |
| 2.112 Å | (29) |
| 1.810 Å | (21) |
| 1.773 Å | (43) |
| 1.686 Å | (20) |
Comments:
Otto Mountain, California, USA. Data from the type description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47e : [Vanadates, chromates, manganates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Ottoite
Co-Type Localities:
General Appearance of Type Material:
Spear-shaped crystals.
Place of Conservation of Type Material:
Five cotype specimens are deposited in the Natural History Museum of Los Angeles County, catalog numbers 62511, 62512, 62528, 62529, and 62530.
Synonyms of Ottoite
Other Language Names for Ottoite
Common Associates
Associations Based on Photo Data:
| 13 photos of Ottoite associated with Housleyite | Pb6CuTe6+4O18(OH)2 |
| 10 photos of Ottoite associated with Markcooperite | Pb2(UO2)(TeO6) |
| 7 photos of Ottoite associated with Quartz | SiO2 |
| 4 photos of Ottoite associated with Chlorargyrite | AgCl |
| 2 photos of Ottoite associated with Murphyite | Pb(Te6+O4) |
| 2 photos of Ottoite associated with Thorneite | Pb6(Te6+2O10)(CO3)Cl2(H2O) |
| 2 photos of Ottoite associated with Khinite | Pb2+Cu2+3[Te6+O6](OH)2 |
| 1 photo of Ottoite associated with Telluroperite | Pb3TeO4Cl2 |
| 1 photo of Ottoite associated with Plumbotellurite | Pb(TeO3) |
| 1 photo of Ottoite associated with 'Girdite' | H2Pb3(Te4+O3)(Te6+O6) |
Related Minerals - Strunz-mindat Grouping
| 7.AB. | Dravertite | CuMg(SO4)2 |
| 7.AB. | Andymcdonaldite | Fe2TeO6 |
| 7.AB. | Dagenaisite | Zn3Te6+O6 |
| 7.AB.05 | Mikasaite | Fe2(SO4)3 |
| 7.AB.05 | Millosevichite | Al2(SO4)3 |
| 7.AB.05 | Koryakite | NaKMg2Al2(SO4)6 |
| 7.AB.10 | Zinkosite | ZnSO4 |
| 7.AB.10 | Chalcocyanite | CuSO4 |
| 7.AB.15 | Hermannjahnite | CuZn(SO4)2 |
| 7.AB.55 | Mcalpineite | Cu3(Te6+O6) |
Other Information
Notes:
Immediately decomposes in dilute HCl, turning opaque white, expanding, and leaving an insoluble crystalline residue of PbCl2 (cotunnite).
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 Ottoite
mindat.org URL:
https://www.mindat.org/min-39834.html
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References for Ottoite
Localities for Ottoite
Showing 7 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.
USA | |
| Tony Kampf identification 2011 |
| Voting proposal 19-D: Discreditation of ... +3 other references | |
| 66. +1 other reference | |
| Kampf et al. (2010) |
| Kampf et al. (2010) +1 other reference | |
| Kampf et al. (2010) |
| collected by and in the collection of ... +1 other reference |
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Grand Central Mine, Contention-Grand Central Mine group, Tombstone Mining District, Cochise County, Arizona, USA