Kolarite
A valid IMA mineral species
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Formula:
PbTeCl2
Specific Gravity:
9.14 (Calculated)
Crystal System:
Orthorhombic
Name:
Named after the Kolar gold fields, India, the type locality.
This page provides mineralogical data about Kolarite.
Unique Identifiers
Mindat ID:
2238
Long-form identifier:
mindat:1:1:2238:1
Similar Names
| Clairite | A valid IMA mineral species | (NH4)2Fe3(SO4)4(OH)3 · 3H2O |
| Claraite | A valid IMA mineral species | (Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2O |
| Clarite (of Sandberger) | A synonym of Enargite | |
| Clerite | A valid IMA mineral species | MnSb2S4 |
| Kahlerite | A valid IMA mineral species - grandfathered | Fe2+(UO2)2(AsO4)2 · 12H2O |
| Kellerite | A variety of Pentahydrite | (Mg,Cu)SO4 · 5H2O |
| Kollerite | A valid IMA mineral species | (NH4)2Fe3+(SO3)2(OH) · H2O |
| Komarite | A synonym of Willemseite | |
| Kularit | A synonym of Monazite-(Ce) | |
| Kularite | A variety of Monazite-(Ce) | (Ce,Nd,La,Eu)[PO4] |
| Polarite | A valid IMA mineral species | Pd(Bi,Pb) |
IMA Classification of Kolarite
Approved
Approval year:
1983
First published:
1985
Classification of Kolarite
3.AA.45
3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
2.15.3.1
2 : SULFIDES
15 : Chlor-sulfides
2 : SULFIDES
15 : Chlor-sulfides
8.8.21
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
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 |
|---|---|---|
| Kla | 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 Kolarite
Transparency:
Opaque
Density:
9.14 g/cm3 (Calculated)
Optical Data of Kolarite
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 400nm | 25.0% | 26.1% |
| 420nm | 25.3% | 26.2% |
| 440nm | 25.6% | 26.5% |
| 460nm | 25.9% | 27.0% |
| 480nm | 26.5% | 27.5% |
| 500nm | 27.0% | 27.9% |
| 520nm | 27.4% | 28.3% |
| 540nm | 27.7% | 28.6% |
| 560nm | 28.1% | 29.0% |
| 580nm | 28.3% | 29.2% |
| 600nm | 28.5% | 29.4% |
| 620nm | 28.6% | 29.6% |
| 640nm | 28.6% | 29.6% |
| 660nm | 28.6% | 29.5% |
| 680nm | 28.6% | 29.5% |
| 700nm | 28.6% | 29.5% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 29.6%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Gray
Chemistry of Kolarite
Mindat Formula:
PbTeCl2
Element Weights:
Elements listed:
Crystallography of Kolarite
Crystal System:
Orthorhombic
Cell Parameters:
a = 5.93(5) Å, b = 3.25(5) Å, c = 3.89(5) Å
Ratio:
a:b:c = 1.825 : 1 : 1.197
Unit Cell V:
74.97 ų (Calculated from Unit Cell)
Z:
1
Morphology:
flamelike aggregates and veinlets, to 20 µm across, in rims and intergrowths with other tellurides and sulfides
Comment:
Point Group: 2/m 2/m 2/m, mm2, or 222.; Space Group: Pmmm, Pmm2, or P222.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.27 Å | (100) |
| 2.35 Å | (50) |
| 3.91 Å | (40) |
| 2.00 Å | (40) |
| 1.86 Å | (30) |
| 1.79 Å | (30) |
| 1.50 Å | (30) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Near-surface Processes | |
| 23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
| High-? alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Kolarite
General Appearance of Type Material:
Intergrowths with radhakrishnaite, as 20-40 µm aggregates that replace altaite inclusions in galena. Flame-like and veinlet-like aggregates through in the inner parts of altaite grains.
Place of Conservation of Type Material:
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry, Moscow, Russia.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
Quartz-vein hosted gold deposit.
Associated Minerals at Type Locality:
Synonyms of Kolarite
Other Language Names for Kolarite
Related Minerals - Strunz-mindat Grouping
| 3.AA. | Brontesite | (NH4)3PbCl5 |
| 3.AA.05 | Marshite | CuI |
| 3.AA.05 | Nantokite | CuCl |
| 3.AA.05 | 'UM1999-11:I:CuS' | Cu(I,S) |
| 3.AA.05 | Miersite | (Ag,Cu)I |
| 3.AA.10 | Tocornalite | (Ag,Hg)I (?) |
| 3.AA.10 | Iodargyrite | AgI |
| 3.AA.15 | Bromargyrite | AgBr |
| 3.AA.15 | Chlorargyrite | AgCl |
| 3.AA.20 | Sylvite | KCl |
| 3.AA.20 | Halite | NaCl |
| 3.AA.20 | Villiaumite | NaF |
| 3.AA.20 | Carobbiite | KF |
| 3.AA.20 | Griceite | LiF |
| 3.AA.25 | 'UM1998-03-Cl:Tl' | TlCl |
| 3.AA.25 | Nataliyamalikite | TlI |
| 3.AA.25 | Lafossaite | Tl(Cl,Br) |
| 3.AA.25 | Salammoniac | NH4Cl |
| 3.AA.30 | Calomel | [Hg2]2+Cl2 |
| 3.AA.30 | Moschelite | [Hg2]2+I2 |
| 3.AA.30 | Kuzminite | HgBr |
| 3.AA.35 | Neighborite | NaMgF3 |
| 3.AA.35 | Parascandolaite | KMgF3 |
| 3.AA.40 | Javorieite | KFeCl3 |
| 3.AA.40 | Chlorocalcite | KCaCl3 |
| 3.AA.50 | Radhakrishnaite | PbTe3(Cl,S)2 |
| 3.AA.55 | Challacolloite | KPb2Cl5 |
| 3.AA.60 | Hephaistosite | TlPb2Cl5 |
| 3.AA.90 | Pseudocotunnite | K2PbCl4 |
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 Kolarite
mindat.org URL:
https://www.mindat.org/min-2238.html
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References for Kolarite
Reference List:
Localities for Kolarite
Showing 3 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.
Australia | |
| Sung (2008) |
India (TL) | |
| Genkin et al. (1985) |
Russia | |
| Mike Scott S106031 from Cureton from G ... |
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Champion lode, Central Schist Belt, Kolar Gold Fields, Kolar District, Karnataka, India