Carlfriesite
A valid IMA mineral species
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About Carlfriesite
Formula:
CaTe4+2Te6+O8
Colour:
Yellow
Hardness:
3½
Specific Gravity:
6.3
Crystal System:
Monoclinic
Name:
Named in honor of Carl Fries Jr. (30 September 1910, Chicago, Illinois, USA - 11 July 1965, Mexico City, Mexico), geologist with the United States Geological Survey. For 18 years, starting in 1942, he worked in Mexico as a member of an American technical group. He later worked at the Instituto de Geología in Mexico City.
The first mixed-valence tellurate mineral with a crystal structure.
Unique Identifiers
Mindat ID:
899
Long-form identifier:
mindat:1:1:899:2
GUID
(UUID V4):
(UUID V4):
f6991418-806e-48ef-80f5-71a063178da9
IMA Classification of Carlfriesite
Approved
First published:
1975
Classification of Carlfriesite
4.JK.25
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without additional anions, without H2O
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
K : Tellurites without additional anions, without H2O
34.5.3.1
34 : SELENITES, TELLURITES AND SULFITES
5 : A(X3O8)
34 : SELENITES, TELLURITES AND SULFITES
5 : A(X3O8)
28.4.2
28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates
28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates
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 |
---|---|---|
Clf | 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 Carlfriesite
Transparency:
Transparent
Colour:
Yellow
Streak:
Very pale yellow
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
Fair on {010}
Fair on {010}
Density:
6.3 g/cm3 (Measured) 5.7 g/cm3 (Calculated)
Optical Data of Carlfriesite
Type:
Biaxial (-)
RI values:
nα = 1.982 nβ = 2.095 nγ = 2.190
2V:
Measured: 80° , Calculated: 79°
Max Birefringence:
δ = 0.208
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:
strong
Optical Extinction:
Y = b; X ∧ c = 28°.
Pleochroism:
Weak
Comments:
In yellows.
Comments:
Absorption: X = Y < Z.
Chemistry of Carlfriesite
Mindat Formula:
CaTe4+2Te6+O8
Elements listed:
Crystallography of Carlfriesite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 12.576(2) Å, b = 5.662(3) Å, c = 9.994(2) Å
β = 115.56(3)°
β = 115.56(3)°
Ratio:
a:b:c = 2.221 : 1 : 1.765
Unit Cell V:
641.98 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Axe head shaped crystals, radial sprays, botyroidal crusts.
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) |
---|---|---|---|---|---|---|---|
0000684 | Carlfriesite | Effenberger H, Zemann J, Mayer H (1978) Carlfriesite: crystal structure, revision of chemical formula, and synthesis American Mineralogist 63 847-852 | 1978 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.167 Å | (100) |
3.082 Å | (90b) |
5.063 Å | (60) |
2.832 Å | (60) |
3.369 Å | (40) |
4.825 Å | (30) |
2.698 Å | (30) |
Comments:
Moctezuma mine, Mexico. Data from type description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47e : [Vanadates, chromates, manganates] | |
47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Carlfriesite
General Appearance of Type Material:
Botryoidal crusts and less frequently as tiny sprays of sharply euhedral crystals.
Place of Conservation of Type Material:
Natural History Museum, London, England, number 1976,406.
University of Pierre and Marie Curie, Paris, France.
Harvard University, Cambridge, Massachusetts, USA, number 119080.
National Museum of Natural History, Washington, D.C., USA, numbers 128393, 135058.
University of Pierre and Marie Curie, Paris, France.
Harvard University, Cambridge, Massachusetts, USA, number 119080.
National Museum of Natural History, Washington, D.C., USA, numbers 128393, 135058.
Geological Setting of Type Material:
Cavities in oxidized hydrothermal Au-Te deposit.
Associated Minerals at Type Locality:
Reference:
Williams, S.A., Gaines, R.V. (1975) Carlfriesite, H4Ca(TeO3)3, a new mineral from Moctezuma, Sonora, Mexico. Mineralogical Magazine: 40: 127–130.
Synonyms of Carlfriesite
Other Language Names for Carlfriesite
Common Associates
Associated Minerals Based on Photo Data:
5 photos of Carlfriesite associated with Quartz | SiO2 |
3 photos of Carlfriesite associated with Tlapallite | (Ca,Pb)3CaCu6[Te4+3Te6+O12]2(Te4+O3)2(SO4)2 · 3H2O |
3 photos of Carlfriesite associated with Xocolatlite | Ca2Mn4+2(Te6+O6)2 · H2O |
2 photos of Carlfriesite associated with Goldfieldite | (Cu4◻2)(Cu4Cu+2)Te4S12S |
2 photos of Carlfriesite associated with Andymcdonaldite | Fe2TeO6 |
1 photo of Carlfriesite associated with Dagenaisite | Zn3Te6+O6 |
Related Minerals - Strunz-mindat Grouping
4.JK. | Matthiasweilite | PbTe4+O3 |
4.JK.05 | Winstanleyite | TiTe4+3O8 |
4.JK.05 | Walfordite | (Fe3+,Te6+)Te4+3O8 |
4.JK.10 | Spiroffite | Mn2+2Te4+3O8 |
4.JK.10 | Zincospiroffite | Zn2Te4+3O8 |
4.JK.15 | Balyakinite | Cu(TeO3) |
4.JK.20 | Rajite | Cu(Te4+2O5) |
4.JK.30 | Denningite | (Mn2+,Ca,Zn)Te4+2O5 |
4.JK.35 | Chekhovichite | Bi2Te4+4O11 |
4.JK.40 | Smirnite | Bi2Te4+O5 |
4.JK.45 | Choloalite | (Cu,Sb)3(Pb,Ca)3(TeO3)6Cl |
4.JK.50 | Fairbankite | Pb2+12(Te4+O3)11(SO4) |
4.JK.55 | Plumbotellurite | Pb(TeO3) |
4.JK.60 | Magnolite | [Hg2]2+[Te4+O3] |
4.JK.65 | Moctezumite | Pb(UO2)(TeO3)2 |
4.JK.70 | Schmitterite | (UO2)(TeO3) |
4.JK.75 | Cliffordite | (UO2)Te4+3O7 |
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 Carlfriesite
mindat.org URL:
https://www.mindat.org/min-899.html
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References for Carlfriesite
Reference List:
Williams, Sidney A., Gaines, Richard V. (1975) Carlfriesite, H4Ca(TeO3)3, a new mineral from Moctezuma, Sonora, Mexico. Mineralogical Magazine, 40 (310) 127-130 doi:10.1180/minmag.1975.040.310.02
Fleischer, Michael, Pabst, Adolf, Cabri, Louis J. (1976) New Mineral Names. American Mineralogist, 61 (9-10) 1053-1056
Localities for Carlfriesite
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.
Mexico | |
| Panczner (1987) |
| Williams et al. (1975) +2 other references |
Panczner (1987) | |
Collected by and in the collection of ... | |
USA | |
| Marek Chorazewicz (2021) |
| Collected by Bob Housley and Raman ... |
Kampf et al. (2022) | |
| Missen et al. (2019) |
| Collected and analyzed by Joy Desor. |
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Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico