Christelite
A valid IMA mineral species
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About Christelite
Formula:
Cu2Zn3(SO4)2(OH)6 · 4H2O
Colour:
Greenish-blue
Lustre:
Vitreous
Hardness:
2 - 3
Specific Gravity:
3.14
Crystal System:
Triclinic
Name:
Named after Mrs. Christel Gebhard-Giesen (b. 1950), the wife of Dr Georg Gebhard who discovered the mineral. The mineral gebhardite is named after her husband.
See also Unnamed (Polytype of Christelite).
Note: Some of the mineral photos may in fact show the unnamed polytype, not christelite.
Cd-bearing varieties may be confused with edwardsite.
Note: Some of the mineral photos may in fact show the unnamed polytype, not christelite.
Cd-bearing varieties may be confused with edwardsite.
Unique Identifiers
Mindat ID:
6870
Long-form identifier:
mindat:1:1:6870:9
GUID
(UUID V4):
(UUID V4):
75566182-e7ca-46f7-89b2-25f84d3a820f
IMA Classification of Christelite
Approved
IMA Formula:
Zn3Cu2(SO4)2(OH)6 · 4H2O
First published:
1996
Classification of Christelite
7.DD.25
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
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 |
---|---|---|
Cis | 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 Christelite
Vitreous
Transparency:
Transparent
Colour:
Greenish-blue
Streak:
Bright greenish blue
Hardness:
2 - 3 on Mohs scale
Cleavage:
Perfect
On {001}
On {001}
Density:
3.14 g/cm3 (Measured) 3.20 g/cm3 (Calculated)
Optical Data of Christelite
Type:
Biaxial (-)
RI values:
nα = 1.598 nβ = 1.626 nγ = 1.635
2V:
Measured: 59.4° , Calculated: 59.00°
Max Birefringence:
δ = 0.038
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:
Moderate
Dispersion:
r < v weak
Pleochroism:
Visible
Comments:
α = pale blue, and β and γ = blue
Chemistry of Christelite
Mindat Formula:
Cu2Zn3(SO4)2(OH)6 · 4H2O
Crystallography of Christelite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.4143(8) Å, b = 6.336(1) Å, c = 10.470(3) Å
α = 94.32(3)°, β = 90.06(2)°, γ = 90.27(2)°
α = 94.32(3)°, β = 90.06(2)°, γ = 90.27(2)°
Ratio:
a:b:c = 0.855 : 1 : 1.652
Unit Cell V:
358.15 ų (Calculated from Unit Cell)
Z:
2
Morphology:
As thin bladed crystals, flattened on {001}.
Crystal Structure
Load
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) |
---|---|---|---|---|---|---|---|
0011065 | Christelite | Adiwidjaja G, Friese K, Klaska K H, Schluter J (1996) The crystal structure of christelite Zn3Cu2(SO4)2(OH)6*4(H2O) Zeitschrift fur Kristallographie 211 518-521 | 1996 | San Francisco mine, Sierra Gorda, northeast of Antofagasta, Chile | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
10.459 Å | (82) |
5.230 Å | (100) |
3.486 Å | (54) |
3.157 Å | (8) |
2.493 Å | (10) |
2.355 Å | (10) |
1.743 Å | (12) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47b : [Sulfates and sulfites] |
Type Occurrence of Christelite
General Appearance of Type Material:
Thin, greenish blue, transparent
crystals, up to 4 x 13 mm, flattened on {010}
crystals, up to 4 x 13 mm, flattened on {010}
Place of Conservation of Type Material:
Mineralogical Museum of the University of Hamburg, Germany
Associated Minerals at Type Locality:
Reference:
Schlüter, J., Klaska, K.-H., Adiwidjaja, G., Gebhard, G. (1996) Christelite, Zn3Cu2(SO4)2(OH)6•4H2O, a new mineral from the San Francisco Mine, Antofagasta, Chile. Neues Jahrbuch für Mineralogie, Monatshefte: 1996: 188-192.
Synonyms of Christelite
Other Language Names for Christelite
Common Associates
Associated Minerals Based on Photo Data:
11 photos of Christelite associated with Herbertsmithite | Cu3Zn(OH)6Cl2 |
5 photos of Christelite associated with Paratacamite | Cu3(Cu,Zn)(OH)6Cl2 |
Related Minerals - Strunz-mindat Grouping
7.DD. | Asagiite | NiCu4(SO4)2(OH)6 · 6H2O |
7.DD.05 | Felsőbányaite | Al4(SO4)(OH)10 · 4H2O |
7.DD.07 | Llantenesite | Cu6Al[SeO4](OH)12Cl · 3H2O |
7.DD.10 | Langite | Cu4(SO4)(OH)6 · 2H2O |
7.DD.10 | Posnjakite | Cu4(SO4)(OH)6 · H2O |
7.DD.10 | Wroewolfeite | Cu4(SO4)(OH)6 · 2H2O |
7.DD.10 | Gobelinite | CoCu4(SO4)2(OH)6 · 6H2O |
7.DD.10 | Fehrite | MgCu4(SO4)2(OH)6 · 6H2O |
7.DD.15 | Spangolite | Cu6Al(SO4)(OH)12Cl · 3H2O |
7.DD.15 | Kobyashevite | Cu5(SO4)2(OH)6 · 4H2O |
7.DD.15 | Unnamed (Dimorph of Devilline) | CaCu4(SO4)2(OH)6 · 3H2O |
7.DD.20 | Ktenasite | ZnCu4(SO4)2(OH)6 · 6H2O |
7.DD.30 | Campigliaite | Mn2+Cu4(SO4)2(OH)6 · 4H2O |
7.DD.30 | Devilline | CaCu4(SO4)2(OH)6 · 3H2O |
7.DD.30 | Orthoserpierite | Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O |
7.DD.30 | Serpierite | Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O |
7.DD.30 | Niedermayrite | CdCu4(SO4)2(OH)6 · 4H2O |
7.DD.30 | Edwardsite | Cu3Cd2(SO4)2(OH)6 · 4H2O |
7.DD.35 | Carrboydite | (Ni1-xAlx)(SO4)x/2(OH)2 · nH2O |
7.DD.35 | Glaucocerinite | (Zn1-xAlx)(OH)2(SO4)x/2 · nH2O |
7.DD.35 | Honessite | (Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2O |
7.DD.35 | Hydrohonessite | (Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2O |
7.DD.35 | Motukoreaite | Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O |
7.DD.35 | Mountkeithite | [(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2O |
7.DD.35 | Shigaite | Mn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2O |
7.DD.35 | Wermlandite | Mg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2O |
7.DD.35 | Woodwardite | Cu1-xAlx(OH)2(SO4)x/2 · nH2O |
7.DD.35 | Zincaluminite | Zn6Al6(SO4)2(OH)16 · 5H2O |
7.DD.35 | Hydrowoodwardite | (Cu1-xAlx)(OH)2[SO4]x/2 · nH2O |
7.DD.35 | Zincowoodwardite | Zn1-xAlx(OH)2[SO4]x/2 · nH2O |
7.DD.35 | Natroglaucocerinite | Zn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2O |
7.DD.35 | Nikischerite | Fe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2O |
7.DD.40 | Isselite | Cu6(SO4)(OH)10 · 5H2O |
7.DD.40 | Lawsonbauerite | (Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2O |
7.DD.40 | Torreyite | (Mg,Mn2+)7◻2Mn2+2Zn4(SO4)2(OH)22 · 8H2O |
7.DD.45 | Mooreite | Mg9◻2Mn2Zn4(SO4)2(OH)26 · 8H2O |
7.DD.45 | Hodgesmithite | (Cu,Zn)6Zn(SO4)2(OH)10 · 3H2O |
7.DD.47 | Lahnsteinite | Zn4(SO4)(OH)6 · 3H2O |
7.DD.50 | Namuwite | Zn4(SO4)(OH)6 · 4H2O |
7.DD.50 | Minohlite | (Cu,Zn)7(SO4)2(OH)10 · 8H2O |
7.DD.52 | Lauraniite | Cu6Cd2(SO4)2(OH)12 · 5H2O |
7.DD.55 | Bechererite | Zn7Cu(OH)13[(SiO(OH)3(SO4)] |
7.DD.60 | Ramsbeckite | (Cu,Zn)15(SO4)4(OH)22 · 6H2O |
7.DD.65 | Vonbezingite | Ca6Cu3(SO4)3(OH)12 · 2H2O |
7.DD.70 | Redgillite | Cu6(SO4)(OH)10 · H2O |
7.DD.75 | Chalcoalumite | CuAl4(SO4)(OH)12 · 3H2O |
7.DD.75 | Nickelalumite | NiAl4(SO4)(OH)12(H2O)3 |
7.DD.75 | Kyrgyzstanite | ZnAl4(SO4)(OH)12 · 3H2O |
7.DD.80 | Guarinoite | Zn6(SO4)(OH)10 · 5H2O |
7.DD.80 | Schulenbergite | (Cu,Zn)7(SO4)2(OH)10 · 3H2O |
7.DD.80 | Thérèsemagnanite | NaCo4(SO4)(OH)6Cl · 6H2O |
7.DD.80 | UM1992-30-SO:CCuHZn | (Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2O |
7.DD.85 | Montetrisaite | Cu6(SO4)(OH)10 · 2H2O |
Fluorescence of Christelite
Not fluorescent
Other Information
Notes:
Soluble in HCl and HNO3.
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 Christelite
mindat.org URL:
https://www.mindat.org/min-6870.html
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References for Christelite
Localities for Christelite
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.
Australia | |
| John Haupt collection (analysed by Peter Elliott) |
Canada | |
| Stavinga et al. (2017) |
Chile (TL) | |
| Schlüter et al. (1996) |
Greece | |
| no description given yet] +1 other reference |
| Rieck et al. (2018) |
| Rieck et al. (2018) |
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Block 14 opencut, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales, Australia