Gravegliaite
A valid IMA mineral species
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About Gravegliaite
Unique Identifiers
Mindat ID:
1742
Long-form identifier:
mindat:1:1:1742:4
GUID
(UUID V4):
(UUID V4):
eb84c959-6273-47a3-b90c-5a7a23e10e34
Classification of Gravegliaite
Approved
Approval year:
1990
First published:
1991
Type description reference:
4.JE.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
E : Sulfites
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
E : Sulfites
Dana 7th ed.:
34.2.4.2
34.2.5.2
34 : SELENITES, TELLURITES AND SULFITES
2 : A(XO3)·xH2O
34 : SELENITES, TELLURITES AND SULFITES
2 : A(XO3)·xH2O
27.1.3
27 : Sulphites, Chromates, Molybdates and Tungstates
1 : Sulphites
27 : Sulphites, Chromates, Molybdates and Tungstates
1 : Sulphites
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 |
---|---|---|
Gvg | 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 Gravegliaite
Vitreous
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Cleavage:
Distinct/Good
Parallel to [010].
Parallel to [010].
Fracture:
None observed
Density:
2.39 g/cm3 (Calculated)
Optical Data of Gravegliaite
Type:
Biaxial (+)
RI values:
nα = 1.590(2) nβ = 1.596(2) nγ = 1.636(2)
2V:
Measured: 41° (3), Calculated: 43°
Max Birefringence:
δ = 0.046
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 distinct
Optical Extinction:
Z = b.
Pleochroism:
Non-pleochroic
Chemical Properties of Gravegliaite
Formula:
Mn2+SO3 · 3H2O
IMA Formula:
Mn2+(S4+O3) · 3H2O
Elements listed:
Crystallography of Gravegliaite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 9.763(1) Å, b = 5.635(1) Å, c = 9.558(1) Å
Ratio:
a:b:c = 1.733 : 1 : 1.696
Unit Cell V:
525.83 ų (Calculated from Unit Cell)
Z:
4
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) |
---|---|---|---|---|---|---|---|
0011006 | Gravegliaite | Basso R, Lucchetti G, Palenzona A (1991) Gravegliaite, MnSO3*3H2O, a new mineral from Val Graveglia (Northern Apennines, Italy) Zeitschrift fur Kristallographie 197 97-106 | 1991 | Gambatesa mine, Val Graveglia, Northern Apennines, Italy | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.33 Å | (Very strong) |
3.43 Å | (Very strong) |
6.83 Å | (Strong) |
2.704 Å | (Medium) |
2.666 Å | (Medium) |
2.414 Å | (Medium) |
1.726 Å | (Medium) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits | |
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47b : [Sulfates and sulfites] | |
47e : [Vanadates, chromates, manganates] |
Type Occurrence of Gravegliaite
General Appearance of Type Material:
Radial aggregates of prismatic crystals, elongated parallel to [010] and up to 0.5 mm long.
Place of Conservation of Type Material:
Department of Earth Sciences, University of Genoa, Genoa, Ital
Geological Setting of Type Material:
Ophiolite sequence.
Associated Minerals at Type Locality:
Reference:
Basso, R., Lecchetti, G., Palenzona, A. (1991) Gravegliaite, MnSO3·3H2O, a new mineral from Val Graveglia (Northern Apennines, Italy). Zeitschrift für Kristallographie: 197: 97-106.
Synonyms of Gravegliaite
Other Language Names for Gravegliaite
Related Minerals - Strunz-mindat Grouping
4.JE.X | Albertiniite | Fe2+(SO3) · 3H2O | Mon. 2/m |
4.JE. | Mikenewite | Mn2+(S4+O3) · 3H2O | Mon. 2/m |
4.JE.05 | Fleisstalite | FeSO3 · 3H2O | Orth. mmm (2/m 2/m 2/m) : Pnma |
4.JE.10 | Hannebachite | CaSO3 · H2O | Orth. mmm (2/m 2/m 2/m) |
4.JE.15 | Orschallite | Ca3(SO3)2(SO4) · 12H2O | Trig. 3m (3 2/m) : R3c |
4.JE.20 | Scotlandite | PbSO3 | Mon. 2/m : P21/m |
4.JE.25 | Kollerite | (NH4)2Fe3+(SO3)2(OH) · H2O | Orth. mmm (2/m 2/m 2/m) : Cmcm |
Other Information
Notes:
Insoluble in water and in ethyl alcohol, soluble in strong acids.
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 Gravegliaite
mindat.org URL:
https://www.mindat.org/min-1742.html
Please feel free to link to this page.
Please feel free to link to this page.
External Links:
Mineral Dealers:
References for Gravegliaite
Reference List:
Localities for Gravegliaite
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 (TL) | |
| |
Luxembourg | |
| |
Tanzania | |
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Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy