Housleyite
A valid IMA mineral species
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About Housleyite
Dr. Bob Housley
Formula:
Pb6CuTe6+4O18(OH)2
Colour:
Pale to medium greenish blue
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
7.845 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Dr. Bob Housley (b. 1934), of Pasadena, California, USA, in recognition of his contributions to the mineralogy of the type locality. Bob Housley explored the entirety of Otto Mountain near Baker, California, and re-discovered the forgotten mines on it and researched their history, leading to the discovery of the suite of tellurite species and related mineral species.
This page provides mineralogical data about Housleyite.
Unique Identifiers
Mindat ID:
39559
Long-form identifier:
mindat:1:1:39559:7
IMA Classification of Housleyite
Classification of Housleyite
4.FD.30
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
D : Hydroxides with OH, without H2O; chains of edge-sharing octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
D : Hydroxides with OH, without H2O; chains of edge-sharing octahedra
33.1.7.
33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq
33 : SELENATES AND TELLURATES
1 : (AB)m(XO4)pZq
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 |
|---|---|---|
| Hou | 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 Housleyite
Adamantine
Transparency:
Transparent
Comment:
Crystal faces sometimes frosted dull.
Colour:
Pale to medium greenish blue
Streak:
Pale blue
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Fracture:
Irregular/Uneven
Density:
7.845(1) g/cm3 (Calculated)
Optical Data of Housleyite
Type:
Biaxial (+)
Dispersion:
Strong inclined dispersion, r > v.
Optical Extinction:
Y = b, Z ∧ c ≈ 40° in obtuse β.
Pleochroism:
Visible
Comments:
Y = medium green-blue; Z = light green-blue
Comments:
Absorption: Y > Z > X.
The Gladstone-Dale relationship predicts nav = 2.169 based on the ideal formula.
The Gladstone-Dale relationship predicts nav = 2.169 based on the ideal formula.
Chemistry of Housleyite
Mindat Formula:
Pb6CuTe6+4O18(OH)2
Element Weights:
Crystallography of Housleyite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 7.8552(5) Å, b = 10.4837(7) Å, c = 11.0426(8) Å
β = 95.547(2)°
β = 95.547(2)°
Ratio:
a:b:c = 0.749 : 1 : 1.053
Unit Cell V:
905.12 ų (Calculated from Unit Cell)
Morphology:
Crystals exhibit the forms {001}, {101}, {011}, and {010}.
Twinning:
Penetration twinning appears to occur occasionally with individual prisms intersecting at about 60°, the plane containing the intersecting crystals being parallel to one of the prominent prism faces.
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Big Balls | Small Balls | Just Balls | Spacefill
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Big Balls | Small Balls | Just Balls | Spacefill
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CIF File Best | x | y | z | a | b | c
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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) |
|---|---|---|---|---|---|---|---|
| 0017559 | Housleyite | Kampf A R, Marty J, Thorne B (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: II. Housleyite, Pb6CuTe4O18(OH)2, a new mineral with Cu-Te octahedral sheets American Mineralogist 95 1337-1342 |  | 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 |
|---|---|
| 3.336 Å | (69) |
| 3.292 Å | (50) |
| 3.195 Å | (100) |
| 3.068 Å | (47) |
| 3.007 Å | (49) |
| 2.942 Å | (80) |
| 2.723 Å | (29) |
| 2.580 Å | (38) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47e : [Vanadates, chromates, manganates] |
Type Occurrence of Housleyite
Co-Type Localities:
General Appearance of Type Material:
Crystals are prismatic to bladed with elongation parallel to b and typically occur in bow tie-like aggregates, drusy balls, and irregular sprays.
Place of Conservation of Type Material:
Natural History Museum of Los Angeles County, Los Angeles, California, USA (62261, 62262, and 62263).
Geological Setting of Type Material:
On fracture surfaces and in small vugs in a brecciated quartz vein. Partial oxidation of primary sulfides and tellurides.
Associated Minerals at Type Locality:
Synonyms of Housleyite
Other Language Names for Housleyite
Dutch:Housleyiet
German:Housleyit
Common Associates
Associations Based on Photo Data:
| 19 photos of Housleyite associated with Markcooperite | Pb2(UO2)(TeO6) |
| 13 photos of Housleyite associated with Ottoite | Pb2TeO5 |
| 6 photos of Housleyite associated with Chlorargyrite | AgCl |
| 5 photos of Housleyite associated with Khinite | Pb2+Cu2+3[Te6+O6](OH)2 |
| 5 photos of Housleyite associated with Quartz | SiO2 |
| 4 photos of Housleyite associated with Thorneite | Pb6(Te6+2O10)(CO3)Cl2(H2O) |
| 4 photos of Housleyite associated with Eckhardite | (Ca,Pb)Cu2+Te6+O5(H2O) |
| 3 photos of Housleyite associated with Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| 3 photos of Housleyite associated with Timroseite | Pb2Cu5(TeO6)2(OH)2 |
| 2 photos of Housleyite associated with Native Gold | Au |
Related Minerals - Strunz-mindat Grouping
| 4.FD.05 | Spertiniite | Cu(OH)2 |
| 4.FD.10 | Diaspore | AlO(OH) |
| 4.FD.10 | Goethite | Fe3+O(OH) |
| 4.FD.10 | Montroseite | (V3+,Fe3+)O(OH) |
| 4.FD.10 | Tsumgallite | GaO(OH) |
| 4.FD.10 | Groutite | Mn3+O(OH) |
| 4.FD.10 | Bracewellite | CrO(OH) |
| 4.FD.10 | Guyanaite | CrO(OH) |
| 4.FD.15 | Manganite | Mn3+O(OH) |
| 4.FD.20 | Yttrotungstite-(Y) | YW2O7(OH) · H2O |
| 4.FD.20 | Yttrotungstite-(Ce) | CeW2O7(OH) · H2O |
| 4.FD.25 | Frankhawthorneite | Cu2Te6+O4(OH)2 |
| 4.FD.30 | 'Khinite-3T' | Pb2+Cu2+3Te6+O6(OH)2 |
| 4.FD.30 | Khinite | Pb2+Cu2+3[Te6+O6](OH)2 |
Fluorescence of Housleyite
Not fluorescent.
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.
Internet Links for Housleyite
mindat.org URL:
https://www.mindat.org/min-39559.html
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Please feel free to link to this page.
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References for Housleyite
Localities for Housleyite
Showing 8 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 | |
| 66. +1 other reference |
| Confirmed by Robert A. Jenkins | |
| PXRD analyzed by Tony Kampf. | |
| Kampf et al. (2010) |
| Kampf et al. (2010) | |
| Kampf et al. (2010) +1 other reference |
| MarekC collection 2016 | |
| Collected by Eckhard D. Stuart and John ... |
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Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA