Paratimroseite
A valid IMA mineral species
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About Paratimroseite
Tim Rose
Formula:
Pb2Cu4(TeO6)2(H2O)2
Colour:
Vibrant "neon" green, lime green
Lustre:
Adamantine, Dull
Hardness:
3
Specific Gravity:
6.557 (Calculated)
Crystal System:
Orthorhombic
Name:
Name in allusion to its resemblance to Timroseite.
Up to date (2018) there are approx. 10 paratimroseite specimens known and verified.
Unique Identifiers
Mindat ID:
39838
Long-form identifier:
mindat:1:1:39838:1
GUID
(UUID V4):
(UUID V4):
a58a4a2d-ae91-4da5-8060-15eb6daac772
IMA Classification of Paratimroseite
Approved
Approval year:
2009
Classification of Paratimroseite
7.BB.85
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
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 |
|---|---|---|
| Ptim | 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 Paratimroseite
Adamantine, Dull
Colour:
Vibrant "neon" green, lime green
Streak:
Very pale green
Hardness:
3 on Mohs scale
Hardness Data:
Estimated
Tenacity:
Brittle
Cleavage:
Distinct/Good
on {001}
on {001}
Fracture:
Irregular/Uneven
Density:
6.557 g/cm3 (Calculated)
Optical Data of Paratimroseite
Type:
Biaxial (-)
RI values:
n = 2.059
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
None observed.
Pleochroism:
Visible
Comments:
X = light green, Y = Z = green.
Comments:
Average refractive index (n = 2.059) was calculated from the Gladstone-Dale relationship. 2V = large.
Chemistry of Paratimroseite
Mindat Formula:
Pb2Cu4(TeO6)2(H2O)2
Common Impurities:
Cl
Crystallography of Paratimroseite
Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
P21 21 21
Cell Parameters:
a = 5.1943(4) Å, b = 9.6198(10) Å, c = 11.6746(11) Å
Ratio:
a:b:c = 0.54 : 1 : 1.214
Unit Cell V:
583.35 ų
Z:
2
Morphology:
Blades are elongated on [100], flattened on {001}, and exhibit the forms {001}, {010}, {120}, and {100}.
Twinning:
None observed.
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) |
|---|---|---|---|---|---|---|---|
| 0017722 | Paratimroseite | Kampf A R, Mills S J, Housley R M, Marty J, Thorne B (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: V. Timroseite, Pb2Cu2+5(Te6+O6)2(OH)2, and paratimroseite, Pb2Cu2+4(Te6+O6)2(H2O)2, two new tellurates with Te-Cu polyhedral sheets American Mineralogist 95 1560-1568 |  | 2010 | Otto Mountain, Baker, California | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.771 Å | (76) |
| 4.463 Å | (32) |
| 3.544 Å | (44) |
| 3.029 Å | (100) |
| 2.973 Å | (48) |
| 2.733 Å | (30) |
| 2.665 Å | (41) |
| 2.469 Å | (40) |
| 2.246 Å | (34) |
| 2.151 Å | (30) |
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] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Paratimroseite
General Appearance of Type Material:
Blades, which are intergrown in irregular clusters; also botryoids.
Place of Conservation of Type Material:
Natural History Museum of Los Angeles County (62263, 62534).
Geological Setting of Type Material:
On fracture surfaces and in small vugs in quartz veins.
Associated Minerals at Type Locality:
Synonyms of Paratimroseite
Related Minerals - Strunz-mindat Grouping
| 7.BB. | Brumadoite | Cu3(Te6+O4)(OH)4 · 5H2O |
| 7.BB. | Iskandarovite | Sb6O7(SO4)2 |
| 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 | Klebelsbergite | Sb4O4(SO4)(OH)2 |
| 7.BB.35 | Tavagnascoite | Bi4O4(SO4)(OH)2 |
| 7.BB.40 | Schuetteite | Hg2+3(SO4)O2 |
| 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 |
Fluorescence of Paratimroseite
Non-fluorescent.
Other Information
Notes:
In dilute HCl paratimroseite immediately decomposes, turning opaque white, and then the residue slowly dissolves.
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 Paratimroseite
mindat.org URL:
https://www.mindat.org/min-39838.html
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References for Paratimroseite
Reference List:
Kampf, A. R., Mills, S. J., Housley, R. M., Marty, J., Thorne, B. (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: V. Timroseite, Pb2Cu2+5(Te6+O6)2(OH)2, and paratimroseite, Pb2Cu2+4(Te6+O6)2(H2O)2, two new tellurates with Te-Cu polyhedral sheets. American Mineralogist, 95 (10) 1560-1568 doi:10.2138/am.2010.3514
Localities for Paratimroseite
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 | |
| Kampf et al. (2010) |
| Joe Marty specimens +1 other reference | |
| Collected by Tim Rose. PXRD analyzed by ... | |
| Kampf et al. (2022) |
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Aga Mine, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA