Paratimroseite
A valid IMA mineral species
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About Paratimroseite
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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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
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
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