Bottinoite
A valid IMA mineral species
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About Bottinoite
Formula:
Ni2+Sb5+2(OH)12 · 6H2O
Colour:
Pale blue to pale blue-green
Lustre:
Vitreous
Hardness:
3½
Specific Gravity:
2.83
Crystal System:
Trigonal
Member of:
Name:
Named in 1992 by Paola Bonazzi, Silvio Menchetti, Andrea Caneschi, Stefano and Magnanelli after the type locality of Bottino Mine, Italy.
Type Locality:
This page provides mineralogical data about Bottinoite.
Unique Identifiers
Mindat ID:
735
Long-form identifier:
mindat:1:1:735:5
Similar Names
| Boetonite | A rock subtype |
IMA Classification of Bottinoite
Classification of Bottinoite
4.FH.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
H : Hydroxides with H2O +- (OH); insular octahedra
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
H : Hydroxides with H2O +- (OH); insular octahedra
6.3.9.1
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
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 |
|---|---|---|
| Bot | 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 Bottinoite
Vitreous
Transparency:
Transparent
Colour:
Pale blue to pale blue-green
Streak:
Very light blue
Hardness:
3½ on Mohs scale
Hardness:
VHN10=94 - 110 kg/mm2 - Vickers
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
2.83 g/cm3 (Measured) 2.81 g/cm3 (Calculated)
Optical Data of Bottinoite
Type:
Uniaxial (+)
RI values:
nω = 1.6 nε = 1.605
Max. Birefringence:
δ = 0.005
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.
Surface Relief:
Moderate (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Interference Figure:
This shows the idealized uniaxial interference figure - the conoscopic
(convergent-light, Bertrand-lens-in) view, for a grain cut with the optic axis
centred and vertical. The coloured rings are isochromatics, computed with the
same physics as the Michel-Lévy bar above; the dark cross is the isogyre.
For a genuinely uniaxial mineral viewed this way, that cross stays perfectly stationary if you rotate the stage - unlike a biaxial mineral, where it splits apart on rotation. That invariance is itself the standard diagnostic test for telling uniaxial and biaxial minerals apart at the microscope.
For a genuinely uniaxial mineral viewed this way, that cross stays perfectly stationary if you rotate the stage - unlike a biaxial mineral, where it splits apart on rotation. That invariance is itself the standard diagnostic test for telling uniaxial and biaxial minerals apart at the microscope.
Chemistry of Bottinoite
Mindat Formula:
Ni2+Sb5+2(OH)12 · 6H2O
Element Weights:
Elements listed:
Crystallography of Bottinoite
Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Space Group:
P3
Cell Parameters:
a = 16.026 Å, c = 9.795 Å
Ratio:
a:c = 1 : 0.611
Unit Cell V:
2,178.64 ų (Calculated from Unit Cell)
Z:
6
Morphology:
Crystals tabular on {0001}, with {10_10}, in rose-like and spherulitic aggregates, to 3 mm.
Twinning:
Inability to solve the structure was attributed to possible twinning. Structure was subsequently solved in P3, with twinning taken into account.
Crystal Structure
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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) |
|---|---|---|---|---|---|---|---|
| 0001842 | Bottinoite | Bonazzi P, Mazzi F (1996) Bottinoite, Ni(H2O)6[Sb(OH)6]2: Crystal structure, twinning and hydrogen-bond model American Mineralogist 81 1494-1500 |  | 1996 | Bottino mine, Apuan Alps, Italy | 0 | 293 |
| 0001841 | Bottinoite | Bonazzi P, Mazzi F (1996) Bottinoite, Ni(H2O)6[Sb(OH)6]2: Crystal structure, twinning and hydrogen-bond model American Mineralogist 81 1494-1500 | | 1996 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.62 Å | (100) |
| 3.36 Å | (100) |
| 2.34 Å | (80) |
| 1.806 Å | (70) |
| 2.09 Å | (60) |
| 1.751 Å | (60) |
| 4.88 Å | (50) |
Comments:
Recorded on material from the type locality
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 57 : Other minerals formed by human processes |
Geological Setting:
Adjacent to and incrusting ullmannite in oxidized hydrothermal base-metal deposits
Type Occurrence of Bottinoite
Place of Conservation of Type Material:
University of Florence, Florence, Italy (No. 1747/RI)
Geological Setting of Type Material:
In an oxidized hydrothermal base-metal deposit
Associated Minerals at Type Locality:
Synonyms of Bottinoite
Other Language Names for Bottinoite
Relationship of Bottinoite to other Species
Common Associates
Associations Based on Photo Data:
| 21 photos of Bottinoite associated with Quartz | SiO2 |
| 21 photos of Bottinoite associated with Dolomite | CaMg(CO3)2 |
| 20 photos of Bottinoite associated with Ullmannite | NiSbS |
| 7 photos of Bottinoite associated with Annabergite | Ni3(AsO4)2 · 8H2O |
| 4 photos of Bottinoite associated with Chalcopyrite | CuFeS2 |
| 3 photos of Bottinoite associated with Polydymite | Ni2+Ni3+2S4 |
| 2 photos of Bottinoite associated with Bindheimite | Pb2Sb2O6O |
| 2 photos of Bottinoite associated with Cerussite | PbCO3 |
| 2 photos of Bottinoite associated with Galena | PbS |
| 2 photos of Bottinoite associated with Tetrahedrite Subgroup | Cu6(Cu4C2+2)Sb4S12S |
Related Minerals - Strunz-mindat Grouping
| 4.FH.05 | Brandholzite | MgSb2(OH)12 · 6H2O |
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 Bottinoite
mindat.org URL:
https://www.mindat.org/min-735.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Bottinoite
Reference List:
Bonazzi, Paola, Menchetti, Silvio, Caneschi, Andrea, Magnanelli, Stefano (1992) Bottinoite, Ni(H2O)6[Sb(OH)6]2, a new mineral from the Bottino mine, Alpi Apuane, Italy. American Mineralogist, 77 (11-12) 1301-1304
Localities for Bottinoite
Showing 23 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.
France | |
| Berbain et al. (2007) |
Germany | |
| - (1998) |
| Henrich et al. (2019) |
| Golze et al. (2013) +1 other reference |
| Wittern (2001) |
| Wittern (2001) |
| Wittern (2001) |
| Rolf Golze +3 other references | |
| Schnorrer (1995) |
| Schnorrer et al. (1997) |
| |
Greece | |
| Rieck et al. (2020) |
Italy | |
| Lecca et al. (2011) |
| Fernando Caboni et al. (2024) | |
| Fernando Caboni et al. (2024) |
| Biagioni et al. (2008) |
| Bonazzi et al. (1992) |
Spain | |
| Viñals et al. (2006) |
UK | |
| Green et al. (2000) |
| Nat Hist Museum London and S.Rust ... | |
| Day (1999) |
| National Museum of Wales database |
| Day (1999) |
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Schnellenberg mine, Beienbach, Netphen, Siegen-Wittgenstein, Arnsberg, North Rhine-Westphalia, Germany