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
GUID
(UUID V4):
(UUID V4):
352f1145-85ed-435d-ae6b-5e239c3c51f1
IMA Classification of Ottoite
Approved
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 |
|---|---|---|
| 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
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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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.
Reference:
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.
Synonyms of Ottoite
Common Associates
Associated Minerals Based on Photo Data:
| 12 photos of Ottoite associated with Housleyite | Pb6CuTe6+4O18(OH)2 |
| 10 photos of Ottoite associated with Markcooperite | Pb2(UO2)(TeO6) |
| 6 photos of Ottoite associated with Quartz | SiO2 |
| 3 photos of Ottoite associated with Chlorargyrite | AgCl |
| 2 photos of Ottoite associated with Murphyite | Pb(Te6+O4) |
| 1 photo of Ottoite associated with Khinite | Pb2+Cu2+3[Te6+O6](OH)2 |
| 1 photo of Ottoite associated with Eckhardite | (Ca,Pb)Cu2+Te6+O5(H2O) |
| 1 photo of Ottoite associated with Plumbotellurite | Pb(TeO3) |
| 1 photo of Ottoite associated with Calcite | CaCO3 |
| 1 photo of Ottoite associated with Thorneite | Pb6(Te6+2O10)(CO3)Cl2(H2O) |
Related Minerals - Strunz-mindat Grouping
| 7.AB. | Dravertite | CuMg(SO4)2 |
| 7.AB. | Dagenaisite | Zn3Te6+O6 |
| 7.AB. | Andymcdonaldite | Fe2TeO6 |
| 7.AB.05 | Mikasaite | Fe2(SO4)3 |
| 7.AB.05 | Millosevichite | Al2(SO4)3 |
| 7.AB.05 | Koryakite | NaKMg2Al2(SO4)6 |
| 7.AB.10 | Chalcocyanite | CuSO4 |
| 7.AB.10 | Zinkosite | ZnSO4 |
| 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
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) +1 other reference |
| collected by and in the collection of ... +1 other reference |
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