Telluroperite
A valid IMA mineral species
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About Telluroperite
Formula:
Pb3TeO4Cl2
Colour:
bluish-green
Lustre:
Adamantine
Hardness:
2 - 3
Specific Gravity:
7.323 (Calculated)
Crystal System:
Orthorhombic
Name:
Named as the tellurium analog of perite.
Per Adolf Geijer (7 May 1886, Svea Artillery Government's Assembly, Sweden - 18 April 1976, Danderyd, Sweden) was an economic geologist with the Swedish Geological Survey (SGU), and professor at the Royal Institute of Technology.
Per Adolf Geijer (7 May 1886, Svea Artillery Government's Assembly, Sweden - 18 April 1976, Danderyd, Sweden) was an economic geologist with the Swedish Geological Survey (SGU), and professor at the Royal Institute of Technology.
Type Locality:
This page provides mineralogical data about Telluroperite.
Unique Identifiers
Mindat ID:
39670
Long-form identifier:
mindat:1:1:39670:9
GUID
(UUID V4):
(UUID V4):
00c1fdae-0cf2-487c-b697-020b3f45ae44
IMA Classification of Telluroperite
Classification of Telluroperite
3.DC.15
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
C : With Pb (As,Sb,Bi), without Cu
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 |
---|---|---|
Tpr | 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 Telluroperite
Adamantine
Transparency:
Transparent
Colour:
bluish-green
Streak:
pale bluish-green
Hardness:
2 - 3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{001}
{001}
Fracture:
Sub-Conchoidal
Comment:
curved fracture
Density:
7.323 g/cm3 (Calculated)
Optical Data of Telluroperite
Type:
Biaxial (-)
RI values:
nα = 2.091 nβ = 2.237 nγ = 2.242
2V:
Measured: 10°
Max Birefringence:
δ = 0.151
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
Pleochroism:
Visible
Comments:
moderate bluish-green pleochrosim with absorption: X < Y = Z
Comments:
calculated
Chemistry of Telluroperite
Mindat Formula:
Pb3TeO4Cl2
Elements listed:
Crystallography of Telluroperite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 5.5649(6) Å, b = 5.5565(6) Å, c = 12.475(1) Å
Ratio:
a:b:c = 1.002 : 1 : 2.245
Unit Cell V:
385.74 ų (Calculated from Unit Cell)
Z:
2
Comment:
space group Bmmb
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0017747 | Telluroperite | Kampf A R, Mills S J, Housley R M, Marty J, Thorne B (2010) Lead-tellurium oxysalts from Otto Mountain near Baker, California: VI. Telluroperite, Pb3Te4+O4Cl2, the Te analog of perite and nadorite American Mineralogist 95 1569-1573 | 2010 | Otto Mountain, Baker, California | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.750 Å | (58) |
2.857 Å | (100) |
2.781 Å | (43) |
2.075 Å | (31) |
1.966 Å | (30) |
1.665 Å | (21) |
1.620 Å | (52) |
1.250 Å | (17) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47g : [Halogen-bearing surface weathering minerals] | |
47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Telluroperite
General Appearance of Type Material:
thin somewhat rounded square plates and flakes up to 0.25 mm on edge and 0.02 mm thick
Place of Conservation of Type Material:
Natural History Museum of Los Angeles County, catalog numbers 62513 and 62514.
Geological Setting of Type Material:
Oxidation zone, formed from the partial oxidation of primary sulfides (e.g., galena) and tellurides (e.g., hessite) during or following brecciation of the quartz veins.
Associated Minerals at Type Locality:
Synonyms of Telluroperite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
3.DC. | Lucabindiite | (K,NH4)As4O6(Cl,Br) |
3.DC. | Torrecillasite | Na(As,Sb)3+4O6Cl |
3.DC. | Gajardoite | KCa0.5As3+4O6Cl2 · 5H2O |
3.DC. | Cuatrocapaite-(NH₄) | (NH4)3(NaMg◻)(As2O3)6Cl6 · 16H2O |
3.DC. | Cuatrocapaite-(K) | K3(NaMg◻)(As2O3)6Cl6 · 16H2O |
3.DC. | Napoliite | Pb2OFCl |
3.DC.05 | Laurionite | PbCl(OH) |
3.DC.05 | Paralaurionite | PbCl(OH) |
3.DC.05 | Russoite | (NH4)ClAs2O3(H2O)0.5 |
3.DC.05 | Mauriziodiniite | (NH4)(As2O3)2I |
3.DC.10 | Fiedlerite | Pb3FCl4(OH) · H2O |
3.DC.15 | Penfieldite | Pb2Cl3(OH) |
3.DC.20 | Laurelite | Pb7F12Cl2 |
3.DC.25 | Bismoclite | BiOCl |
3.DC.25 | Matlockite | PbFCl |
3.DC.25 | Rorisite | CaFCl |
3.DC.25 | Zavaritskite | (BiO)F |
3.DC.25 | Zhangpeishanite | BaFCl |
3.DC.30 | Nadorite | PbSbClO2 |
3.DC.30 | Perite | PbBiClO2 |
3.DC.40 | Thorikosite | Pb3Cl2(OH)(SbO3,AsO3) |
3.DC.45 | Mereheadite | Pb47Cl25(OH)13O24(CO3)(BO3)2 |
3.DC.50 | Blixite | Pb8O5(OH)2Cl4 |
3.DC.52 | Rumseyite | Pb2OClF |
3.DC.55 | Pinalite | Pb3WO5Cl2 |
3.DC.55 | Vladkrivovichevite | [Pb32O18][Pb4Mn2O]Cl14(BO3)8 · 2H2O |
3.DC.57 | Yeomanite | Pb2O(OH)Cl |
3.DC.60 | Lorettoite | Pb7O6Cl2 |
3.DC.60 | Symesite | Pb10(SO4)O7Cl4 · H2O |
3.DC.62 | Sarawakite (of Frenzel) | Sb, O, Cl (?) |
3.DC.65 | Ecdemite | Pb6Cl4(As2O7) |
3.DC.70 | Mendipite | Pb3Cl2O2 |
3.DC.75 | Damaraite | Pb3Cl(OH)O2 |
3.DC.80 | Onoratoite | Sb8Cl2O11 |
3.DC.95 | Barstowite | Pb4Cl6(CO3) · H2O |
Fluorescence of Telluroperite
none
Other Information
Notes:
In dilute HCl acid, telluroperite immediately decomposes, turning white and opaque, and then dissolves slowly.
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 Telluroperite
mindat.org URL:
https://www.mindat.org/min-39670.html
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References for Telluroperite
Localities for Telluroperite
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.
Russia | |
| Kasatkin et al. (2022) |
| Kasatkin et al. (2023) |
USA | |
| Kampf et al. (2010) |
Thorne (n.d.) | |
| IMA approvals - Sept. 2009 +1 other reference |
Collected by and in the collection of ... | |
Thorne (n.d.) | |
| Collected by and in the collection of ... |
Quick NavTopAbout TelluroperiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsCommon AssociatesStrunz-MindatFluorescence Other InformationInternet Links References Localities Locality List
Bird Nest drift, Otto Mountain, Baker, Soda Mountains, Silver Lake Mining District, San Bernardino County, California, USA