Scheuchzerite
A valid IMA mineral species
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About Scheuchzerite
Johann Jakob Scheuchzer (1672-1733)
Formula:
Na(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3
Colour:
Yellow-orange
Lustre:
Vitreous
Hardness:
2½
Specific Gravity:
3.5
Crystal System:
Triclinic
Name:
Named for the Swiss naturalist Johann Jakob Scheuchzer (1672-1733), junior physician of the city of Zürich, curator of the Kunstkammer - a cabinet of natural history and curiosities. He held the chair of physics and mathematics, University of Zürich. He did much work on Swiss geology and mineralogy that was essential for his time.
A single-chain silicate.
Unique Identifiers
Mindat ID:
27490
Long-form identifier:
mindat:1:1:27490:2
GUID
(UUID V4):
(UUID V4):
ad0ba5c6-290f-4260-8052-ef0eb0a8fc23
IMA Classification of Scheuchzerite
Classification of Scheuchzerite
9.DM.35
9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains
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 |
|---|---|---|
| Shz | 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 Scheuchzerite
Vitreous
Transparency:
Transparent
Colour:
Yellow-orange
Streak:
Yellow-orange
Hardness:
2½ on Mohs scale
Cleavage:
Distinct/Good
Density:
3.5 g/cm3 (Measured) 3.47 g/cm3 (Calculated)
Optical Data of Scheuchzerite
Type:
Biaxial (+)
Pleochroism:
Weak
Comments:
X: brown yellow
Y: pale yellow
Y: pale yellow
Chemistry of Scheuchzerite
Mindat Formula:
Na(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3
Crystallography of Scheuchzerite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 9.831 Å, b = 10.107 Å, c = 13.855 Å
α = 86.222°, β = 73.383°, γ = 71.987°
α = 86.222°, β = 73.383°, γ = 71.987°
Ratio:
a:b:c = 0.973 : 1 : 1.371
Unit Cell V:
1254.2 ų
Z:
2
Crystal Structure
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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) |
|---|---|---|---|---|---|---|---|
| 0004162 | Scheuchzerite | Brugger J, Krivovichev S, Meisser N, Ansermet S, Armbruster T (2006) Scheuchzerite, Na(Mn,Mg)9[VSi9O28(OH)](OH)3, a new single-chain silicate American Mineralogist 91 937-943 |  | 2006 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 8.68 Å | (50) |
| 7.91 Å | (70) |
| 4.83 Å | (30) |
| 3.94 Å | (30) |
| 3.22 Å | (40) |
| 3.09 Å | (80) |
| 2.92 Å | (40) |
| 2.71 Å | (100) |
Comments:
From type description
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 | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Scheuchzerite
General Appearance of Type Material:
acicular crystals up to 0.5 mm in length
Place of Conservation of Type Material:
Musée Géologique Cantonal, Lausanne, Switzerland (hlotype specimen, MGL 79355).
Geological Setting of Type Material:
Manganese-bearing veins resulting from the remobilization of ore components during retrograde Tertiary Alpine metamorphism
Associated Minerals at Type Locality:
Synonyms of Scheuchzerite
Other Language Names for Scheuchzerite
Russian:шейхцерит
Common Associates
Associated Minerals Based on Photo Data:
| 1 photo of Scheuchzerite associated with Wallkilldellite | Ca2Mn2+3(AsO4)2(OH)4 · 9H2O |
Related Minerals - Strunz-mindat Grouping
| 9.DM. | Kesebolite-(Ce) | CeCa2Mn(AsO4)(SiO3)3 |
| 9.DM.05 | Stokesite | CaSn[Si3O9] · 2H2O |
| 9.DM.10 | Calciohilairite | CaZr[SiO3]3 · 3H2O |
| 9.DM.10 | Hilairite | Na2Zr[SiO3]3 · 3H2O |
| 9.DM.10 | Komkovite | BaZr[Si3O9] · 3H2O |
| 9.DM.10 | Sazykinaite-(Y) | Na5YZr[SiO3]6 · 6H2O |
| 9.DM.10 | Pyatenkoite-(Y) | Na5YTi[SiO3]6 · 6H2O |
| 9.DM.15 | Gaidonnayite | Na2Zr(Si3O9) · 2H2O |
| 9.DM.15 | Georgechaoite | NaKZr[Si3O9] · 2H2O |
| 9.DM.15 | Plumbogaidonnayite | PbZrSi3O9 · 2H2O |
| 9.DM.20 | Chkalovite | Na2BeSi2O6 |
| 9.DM.25 | Vlasovite | Na2ZrSi4O11 |
| 9.DM.30 | Revdite | Na16Si16O27(OH)26 · 28H2O |
| 9.DM.40 | Hydroterskite | Na2ZrSi6O12(OH)6 |
| 9.DM.40 | Terskite | Na4ZrSi6O16 · 2H2O |
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 Scheuchzerite
mindat.org URL:
https://www.mindat.org/min-27490.html
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References for Scheuchzerite
Localities for Scheuchzerite
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.
Italy | |
| Palenzona et al. (2006) |
| //doi.org/10.57635/MICRO.2023.21.7 |
| Castellaro et al. (2011) |
Switzerland (TL) | |
| Brugger (2006) |
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Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy