Boyleite
A valid IMA mineral species
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About Boyleite
Formula:
(Zn,Mg)SO4 · 4H2O
Colour:
White
Lustre:
Earthy
Hardness:
2
Specific Gravity:
2.41 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named after Dr. Robert William Boyle (3 June 1920 – 5 August 2003), Canadian geochemist, Geological Survey of Canada, Ottawa, Canada. He noted the same mineral earlier at Keno Hill, Canada.
Unique Identifiers
Mindat ID:
746
Long-form identifier:
mindat:1:1:746:1
GUID
(UUID V4):
(UUID V4):
c4cbdac9-85c7-4796-b1c3-750e18515089
IMA Classification of Boyleite
Approved
IMA Formula:
Zn(SO4) · 4H2O
First published:
1978
Classification of Boyleite
7.CB.15
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
29.6.6.5
29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.5.6
25 : Sulphates
5 : Sulphates of Zn and Hg
25 : Sulphates
5 : Sulphates of Zn and Hg
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 |
---|---|---|
Boy | 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 Boyleite
Earthy
Transparency:
Translucent
Colour:
White
Streak:
White
Hardness:
2 on Mohs scale
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
2.41 g/cm3 (Calculated)
Optical Data of Boyleite
Type:
Biaxial (-)
RI values:
nα = 1.522 nβ = 1.531 nγ = 1.536
2V:
Measured: 70° , Calculated: 72°
Max Birefringence:
δ = 0.014
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:
Low
Dispersion:
relatively strong
Chemistry of Boyleite
Mindat Formula:
(Zn,Mg)SO4 · 4H2O
Crystallography of Boyleite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 5.95 Å, b = 13.60 Å, c = 7.96 Å
β = 90.4°
β = 90.4°
Ratio:
a:b:c = 0.438 : 1 : 0.585
Unit Cell V:
644.11 ų (Calculated from Unit Cell)
Z:
4
Comment:
P 21/n
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) |
---|---|---|---|---|---|---|---|
0019607 | Boyleite | Anderson J L, Peterson R C, Swainson I (2012) The atomic structure of deuterated boyleite ZnSO4*4D2O, ilesite MnSO4*4D2O, and bianchite ZnSO4*6D2O American Mineralogist 97 1905-1914 | 2012 | synthetic | 0 | 293 | |
0010369 | Boyleite | Blake A J, Cooke P A, Hubberstey P, Sampson C L (2001) Zinc(II) sulfate tetrahydrate Acta Crystallographica E57 i109-i111 | 2001 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.46 Å | (100) |
4.47 Å | (100) |
6.85 Å | (80) |
3.96 Å | (80) |
3.39 Å | (70) |
2.95 Å | (70) |
2.55 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47e : [Vanadates, chromates, manganates] | |
Stage 10b: Anthropogenic minerals | <10 Ka |
55 : Anthropogenic mine minerals |
Type Occurrence of Boyleite
General Appearance of Type Material:
Reniform masses
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 137413.
Geological Setting of Type Material:
Alteration of sphalerite
Associated Minerals at Type Locality:
Reference:
Walenta, K. (1978) Boyleit, ein neues Sulfatmineral von Kropbach im südlichen Schwarzwald. Chemie der Erde: 37: 73–79.
Synonyms of Boyleite
Other Language Names for Boyleite
Relationship of Boyleite to other Species
Member of:
Other Members of this group:
Aplowite | (Co,Mn,Ni)SO4 · 4H2O | Mon. 2/m |
Drobecite | CdSO4 · 4H2O | Mon. 2/m : P21/m |
Ilesite | (Mn,Zn,Fe)SO4 · 4H2O | Mon. 2/m |
Rozenite | FeSO4 · 4H2O | Mon. 2/m : P21/b |
Starkeyite | MgSO4 · 4H2O | Mon. 2/m : P21/b |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
7.CB. | Sarvodaite | Al2(SO4)3 · 5H2O |
7.CB.02 | Voudourisite | CdSO4 · H2O |
7.CB.05 | Dwornikite | Ni(SO4) · H2O |
7.CB.05 | Gunningite | ZnSO4 · H2O |
7.CB.05 | Kieserite | MgSO4 · H2O |
7.CB.05 | Poitevinite | (Cu,Fe)SO4 · H2O |
7.CB.05 | Szmikite | MnSO4 · H2O |
7.CB.05 | Szomolnokite | FeSO4 · H2O |
7.CB.05 | Cobaltkieserite | CoSO4 · H2O |
7.CB.07 | Sanderite | MgSO4 · 2H2O |
7.CB.10 | Bonattite | CuSO4 · 3H2O |
7.CB.12 | Belogubite | CuZn(SO4)2 · 10H2O |
7.CB.15 | Aplowite | (Co,Mn,Ni)SO4 · 4H2O |
7.CB.15 | Ilesite | (Mn,Zn,Fe)SO4 · 4H2O |
7.CB.15 | Rozenite | FeSO4 · 4H2O |
7.CB.15 | Starkeyite | MgSO4 · 4H2O |
7.CB.15 | Drobecite | CdSO4 · 4H2O |
7.CB.15 | Cranswickite | MgSO4 · 4H2O |
7.CB.20 | Chalcanthite | CuSO4 · 5H2O |
7.CB.20 | Jôkokuite | MnSO4 · 5H2O |
7.CB.20 | Pentahydrite | MgSO4 · 5H2O |
7.CB.20 | Siderotil | FeSO4 · 5H2O |
7.CB.25 | Bianchite | Zn(SO4) · 6H2O |
7.CB.25 | Chvaleticeite | Mn(SO4) · 6H2O |
7.CB.25 | Ferrohexahydrite | FeSO4 · 6H2O |
7.CB.25 | Hexahydrite | MgSO4 · 6H2O |
7.CB.25 | Moorhouseite | Co(SO4) · 6H2O |
7.CB.25 | Nickelhexahydrite | Ni(SO4) · 6H2O |
7.CB.30 | Retgersite | NiSO4 · 6H2O |
7.CB.35 | Bieberite | CoSO4 · 7H2O |
7.CB.35 | Boothite | CuSO4 · 7H2O |
7.CB.35 | Mallardite | MnSO4 · 7H2O |
7.CB.35 | Melanterite | Fe2+(H2O)6SO4 · H2O |
7.CB.35 | Zincmelanterite | (Zn,Cu,Fe)SO4 · 7H2O |
7.CB.35 | Alpersite | (Mg,Cu)(SO4) · 7H2O |
7.CB.40 | Epsomite | MgSO4 · 7H2O |
7.CB.40 | Goslarite | ZnSO4 · 7H2O |
7.CB.40 | Morenosite | NiSO4 · 7H2O |
7.CB.45 | Alunogen | Al2(SO4)3 · 17H2O |
7.CB.45 | Meta-alunogen | Al2(SO4)3 · 12H2O |
7.CB.50 | Aluminocoquimbite | Al2Fe2(SO4)6(H2O)12 · 6H2O |
7.CB.50 | Lazaridisite | 3CdSO4 · 8H2O |
7.CB.52 | Pararaisaite | CuMg[Te6+O4(OH)2] · 6H2O |
7.CB.55 | Coquimbite | AlFe3(SO4)6(H2O)12 · 6H2O |
7.CB.55 | Paracoquimbite | Fe4(SO4)6(H2O)12 · 6H2O |
7.CB.55 | Rhomboclase | (H5O2)Fe3+(SO4)2 · 2H2O |
7.CB.55 | Raisaite | CuMg[Te6+O4(OH)2] · 6H2O |
7.CB.57 | Caichengyunite | Fe2+3Al2(SO4)6 · 30H2O |
7.CB.60 | Kornelite | Fe2(SO4)3 · 7H2O |
7.CB.65 | Quenstedtite | Fe2(SO4)3 · 11H2O |
7.CB.70 | Lausenite | Fe2(SO4)3 · 5H2O |
7.CB.75 | Lishizhenite | ZnFe2(SO4)4 · 14H2O |
7.CB.75 | Römerite | Fe2+Fe3+2(SO4)4 · 14H2O |
7.CB.80 | Ransomite | CuFe2(SO4)4 · 6H2O |
7.CB.85 | Apjohnite | Mn2+Al2(SO4)4 · 22H2O |
7.CB.85 | Bílinite | Fe2+Fe3+2(SO4)4 · 22H2O |
7.CB.85 | Dietrichite | (Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O |
7.CB.85 | Halotrichite | FeAl2(SO4)4 · 22H2O |
7.CB.85 | Pickeringite | MgAl2(SO4)4 · 22H2O |
7.CB.85 | Redingtonite | (Fe2+,Mg,Ni)(Cr,Al)2(SO4)4 · 22H2O |
7.CB.85 | Wupatkiite | (Co,Mg,Ni)Al2(SO4)4 · 22H2O |
7.CB.90 | Meridianiite | MgSO4 · 11H2O |
Other Information
Notes:
Dehydrates in dry rooms to gunningite.
Soluble in water.
Soluble in water.
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 Boyleite
mindat.org URL:
https://www.mindat.org/min-746.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Boyleite
Reference List:
Fleischer, Michael, Chao, George Y., Pabst, and Adolf (1979) New Mineral Names. American Mineralogist, 64 (1-2) 241-245
Fleischer, Michael, Chao, George Y., Pabst, and Adolf (1979) New Mineral Names. American Mineralogist, 64 (3-4) 464-467
Localities for Boyleite
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.
Argentina | |
| Bengochea +1 other reference |
Australia | |
| Anderson et al. (2012) |
| Ashley et al. (1999) |
| Ashley et al. (1999) |
Canada | |
| Anderson et al. (2012) |
| Gait et al. (1990) |
| CMMA Micro-News 41-1 (2007) |
| Mineralogical Society of America - ... |
Costa Rica | |
| Ulloa et al. (2018) |
Czech Republic | |
| Pauliš P. et al. (2015) |
Germany (TL) | |
| WALENTA (1978) |
| Jambor et al. (1962) |
| SEM-EDS and XRD by Joy Desor and ... |
Greece | |
| Blaß et al. (1998) |
Lapis et al. (1999) | |
| Triantafyllidis et al. (2007) |
Ireland | |
| Balassone et al. (2008) |
Italy | |
| Del Prete S. et al. (2002) |
| Ciriotti M.E. & Blass.G. (2010) |
Japan | |
| Shimada (1982) |
Mexico | |
| Yta et al. (2005) |
Norway | |
| Bryhni (1993) |
Bryhni (1993) | |
Poland | |
| Cabała et al. (2008) |
Russia | |
| Eremin et al. (2014) |
Spain | |
| Calvo Rebollar et al. (2022) |
| FMF Forum |
Switzerland | |
| Perroud et al. (1987) +2 other references |
USA | |
| Jeff Weissman collection (purchased from Excalibur Minerals) |
| Kampf et al. (2016) +1 other reference |
| Kampf et al. (2015) |
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Kotzebue, Northwest Arctic Borough, Alaska, USA