Mcalpineite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Mcalpineite
Formula:
Cu3(Te6+O6)
Formula redefined as anhydrous by Carbone et al. (2013); isostructural with bixbyite, Mn2O3 = Mn3(MnO6).
Colour:
Green
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
6.65 (Calculated)
Crystal System:
Isometric
Name:
For the McAlpine mine, California, the type locality.
This page provides mineralogical data about Mcalpineite.
Unique Identifiers
Mindat ID:
7173
Long-form identifier:
mindat:1:1:7173:0
GUID
(UUID V4):
(UUID V4):
3a70abcd-3e79-4955-80bb-bbde92646aeb
IMA Classification of Mcalpineite
Classification of Mcalpineite
7.AB.55
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
B : With medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
B : With medium-sized cations
Dana 7th ed.:
33.2.5.1
33.2.5.1
33 : SELENATES AND TELLURATES
2 : (AB)m(XO6)·xH2O, where x can equal zero
33 : SELENATES AND TELLURATES
2 : (AB)m(XO6)·xH2O, where x can equal zero
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 |
---|---|---|
Map | 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 Mcalpineite
Adamantine
Transparency:
Transparent, Translucent
Colour:
Green
Streak:
Light green
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.65 g/cm3 (Calculated)
Optical Data of Mcalpineite
Type:
Isotropic
RI values:
nα = 2.010
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Moderate
Chemistry of Mcalpineite
Mindat Formula:
Cu3(Te6+O6)
Formula redefined as anhydrous by Carbone et al. (2013); isostructural with bixbyite, Mn2O3 = Mn3(MnO6).
Formula redefined as anhydrous by Carbone et al. (2013); isostructural with bixbyite, Mn2O3 = Mn3(MnO6).
Elements listed:
Common Impurities:
Pb,Ni,Si
Crystallography of Mcalpineite
Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Ia3
Setting:
Ia3
Cell Parameters:
a = 9.555 Å
Unit Cell V:
872.35 ų (Calculated from Unit Cell)
Z:
8
Comment:
two polytypes are known: (1) mcalpineite-1C: Ia-3, with a = 9.537(1) Å and V = 867.4(3) ų; (2) mcalpineite-2O: Pcca , with a = 9.745(3) Å, b = 9.749(2) Å, c = 9.771(2) Å and V = 928.3(4) ų (Missen et al., 2022)
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
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) |
---|---|---|---|---|---|---|---|
0020014 | Mcalpineite | Carbone C, Basso R, Cabella R, Martinelli A, Grice J D, Lucchetti G (2013) Mcalpineite from the Gambatesa mine, Italy, and redefinition of the species American Mineralogist 98 1899-1905 | 2013 | the Gambatesa mine, Val Graveglia, eastern Liguria, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.753 Å | (100) |
1.686 Å | (65) |
1.437 Å | (57) |
2.384 Å | (46) |
1.066 Å | (26) |
1.094 Å | (25) |
4.770 Å | (20) |
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 Mcalpineite
General Appearance of Type Material:
Isolated 0.5 mm-sized emerald green cryptocrystalline crusts.
Place of Conservation of Type Material:
The Natural History Museum, London, England, 1992,374.
Canadian Geological Survey, Ottawa, Canada, NMC 67163.
Canadian Geological Survey, Ottawa, Canada, NMC 67163.
Associated Minerals at Type Locality:
Synonyms of Mcalpineite
Other Language Names for Mcalpineite
German:Mcalpineit
Spanish:Mcalpineita
Common Associates
Associated Minerals Based on Photo Data:
15 photos of Mcalpineite associated with Eurekadumpite | (Cu,Zn)16(TeO3)2(AsO4)3Cl(OH)18 · 7H2O |
13 photos of Mcalpineite associated with Quartz | SiO2 |
8 photos of Mcalpineite associated with Xocomecatlite | Cu3(TeO4)(OH)4 |
3 photos of Mcalpineite associated with Jensenite | Cu3[TeO6] · 2H2O |
3 photos of Mcalpineite associated with Malachite | Cu2(CO3)(OH)2 |
3 photos of Mcalpineite associated with Gold | Au |
2 photos of Mcalpineite associated with Frankhawthorneite | Cu2Te6+O4(OH)2 |
2 photos of Mcalpineite associated with Khinite | Pb2+Cu2+3[Te6+O6](OH)2 |
2 photos of Mcalpineite associated with Dugganite | Pb3Zn3(AsO4)2(TeO6) |
1 photo of Mcalpineite associated with Utahite | MgCu4Zn2Te6+3O14(OH)4 · 6H2O |
Related Minerals - Strunz-mindat Grouping
7.AB. | Dravertite | CuMg(SO4)2 |
7.AB. | Dagenaisite | Zn3Te6+O6 |
7.AB. | Andymcdonaldite | Fe2TeO6 |
7.AB.05 | Mikasaite | Fe2(SO4)3 |
7.AB.05 | Millosevichite | Al2(SO4)3 |
7.AB.05 | Koryakite | NaKMg2Al2(SO4)6 |
7.AB.10 | Chalcocyanite | CuSO4 |
7.AB.10 | Zinkosite | ZnSO4 |
7.AB.15 | Hermannjahnite | CuZn(SO4)2 |
7.AB.25 | Ottoite | Pb2TeO5 |
Other Information
Notes:
Raman data: the 1C polytype has a single strong band, ~730 cm⁻¹; the 2O polytype has a broad double maximum, with bands centred at ca. 692 and 742 cm⁻¹
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 Mcalpineite
mindat.org URL:
https://www.mindat.org/min-7173.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Mcalpineite
Reference List:
forum.amiminerals.it (n.d.) http://forum.amiminerals.it/viewtopic.php?f=5&t=17532&sid=ac01449112000a837f5f38016ba50000
Roberts, Andrew C., Scott Ercit, T., Criddle, Alan J., Jones, Gary C., Scott Williams, R., Cureton, Forrest F., Jensen, Martin C. (1994) Mcalpineite, Cu3TeO6·H2O, a new mineral from the McAlpine mine, Tuolumne County, California, and from the Centennial Eureka mine, Juab County, Utah. Mineralogical Magazine, 58 (392) 417-424 doi:10.1180/minmag.1994.058.392.07
Localities for Mcalpineite
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.
Italy | |
| Castellaro et al. (2021) |
| Basso Riccardo +1 other reference |
Japan | |
| Fujiwara et al (2002) |
Mexico | |
| Dieter Nickolay collection. Mintreasure ... |
Norway | |
| Rumsey et al. (2018) |
USA | |
| "The Accidental Pocket" talk presented ... |
| Marek Chorazewicz (2023) |
| Kampf et al. (2018) |
Marty | |
| EDS confirmed by Bob Housley. |
Collected by and in the collections of ... | |
| Roberts et al. (1994) +2 other references |
| Kampf et al. (2022) |
| Miyawaki et al. (2019) +1 other reference |
Coolbaugh et al. (2020) | |
| Canadian Mineralogist +5 other references |
| Thorne (n.d.) |
| Thorne (n.d.) |
| Georges Favreau collection |
Quick NavTopAbout McalpineiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Centennial Eureka Mine, Eureka, Tintic Mining District, Juab County, Utah, USA