Rosickýite
A valid IMA mineral species - grandfathered
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About Rosickýite
Vojtĕch Rosický
Formula:
S
Colour:
Colourless, pale yellow with green tint
Lustre:
Adamantine
Hardness:
2 - 3
Specific Gravity:
2.02 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
After Professor Vojtĕch Rosický (30 October 1880 Prague, Austria-Hungary – 9 February 1942 Mauthausen, Nazi Germany), former Director of the Mineralogical and Petrological Institute of Masaryk University, Brno, Czech Republic.
Polymorph of:
Sulphur Group.
The densest form of solid S. Can be prepared by slowly cooling molten sulfur that has been heated above 150°C.
Dimorphous with both sulphur (α-sulphur), to which it changes in time at room temperature, and β-sulphur.
The densest form of solid S. Can be prepared by slowly cooling molten sulfur that has been heated above 150°C.
Dimorphous with both sulphur (α-sulphur), to which it changes in time at room temperature, and β-sulphur.
Unique Identifiers
Mindat ID:
3458
Long-form identifier:
mindat:1:1:3458:2
GUID
(UUID V4):
(UUID V4):
e5ec0b7d-d9ac-42ac-9fb7-03eec5ae1348
IMA Classification of Rosickýite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1931
Classification of Rosickýite
1.CC.05
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
C : Metalloids and Nonmetals
C : Sulfur-selenium-iodine
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
C : Metalloids and Nonmetals
C : Sulfur-selenium-iodine
Dana 7th ed.:
1.3.4.2
1.3.5.2
1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
1.52
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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 |
|---|---|---|
| Rký | 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 Rosickýite
Adamantine
Transparency:
Transparent, Translucent
Colour:
Colourless, pale yellow with green tint
Hardness:
2 - 3 on Mohs scale
Cleavage:
None Observed
Density:
2.02 g/cm3 (Calculated)
Comment:
value from Meisser et al 2000
Optical Data of Rosickýite
Type:
Biaxial (-)
Dispersion:
relatively weak
Chemistry of Rosickýite
Mindat Formula:
S
Elements listed:
Crystallography of Rosickýite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P2/b
Setting:
P2/c
Cell Parameters:
a = 8.455(3) Å, b = 13.052(2) Å, c = 9.267(3) Å
β = 124.89(3)°
β = 124.89(3)°
Ratio:
a:b:c = 0.648 : 1 : 0.71
Unit Cell V:
838.8 ų
Z:
4
Morphology:
Forms: {010}, {210}, {111} common; {111}, {012} less common; {001}, {100}, {110}, {230}, {011}, {101}, {101}, {121}, {321} rare.
Twinning:
Twinning on {101} observed. The twinning lamellae are parallel to the edge {010}:{111} with symmetrical extinction of 23°.
Comment:
Non-standard unit cell; other cell given: a = 8.476(2), b = 13.088(3), c = 9.270(2), beta = 124.92(2)°.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 4.37 Å | (100) |
| 3.75 Å | (100) |
| 3.66 Å | (80) |
| 3.18 Å | (80) |
| 3.06 Å | (60) |
| 3.48 Å | (40) |
| 2.485 Å | (40) |
Comments:
La Presta mine, Switzerland. The data are from Meisser et al. (2000).
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 11 : Volcanic fumarole minerals; reduced phases (see also #45) | |
| Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere | <0.6 |
| 49 : Oxic cellular biomineralization (see also #44) | <0.54 |
| 50 : Coal and/or oil shale minerals | <0.36 |
| Stage 10b: Anthropogenic minerals | <10 Ka |
| 54 : Coal and other mine fire minerals (see also #51 and #56) |
Type Occurrence of Rosickýite
General Appearance of Type Material:
Crystals, mostly less than 0.5 mm in size. Equidimensional to platy to acicular.
Place of Conservation of Type Material:
Moravian Museum, Brno, Czech Republic, number A6111 (holotype).
Geological Setting of Type Material:
In the center of hollow limonite nodules (a few centimeters in size) found in a thin stratum of clay.
Associated Minerals at Type Locality:
Reference:
Sekanina, J. (1931) Rosickyit, die natürliche γ-Schwefelmodifikation. Zeitschrift für Kristallographie: 80: 174-189.
Synonyms of Rosickýite
Other Language Names for Rosickýite
Relationship of Rosickýite to other Species
Member of:
Other Members of this group:
| Clinosulphur | S8 | Mon. 2/m : P21/b |
| Sulphur | S8 | Orth. mmm (2/m 2/m 2/m) : Fddd |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 1.CC. | Clinosulphur | S8 |
| 1.CC.05 | Sulphur | S8 |
| 1.CC.10 | Selenium | Se |
| 1.CC.10 | Tellurium | Te |
| 1.CC.15 | Iodine | I2 |
Other Information
Notes:
Soluble in benzol, methylene iodide and carbonbisulfide.
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 Rosickýite
mindat.org URL:
https://www.mindat.org/min-3458.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
References for Rosickýite
Localities for Rosickýite
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.
Bolivia | |
| [www.hedegaard.com] |
Canada | |
| Broughton (2023) |
| Gleeson et al. (2011) |
Czech Republic (TL) | |
| Sekanina (1931) |
| Anthony et al. (1990) | |
| Kruťa T. (1944) |
Germany | |
| undefined +2 other references |
| Lapis (1) |
| Schnorrer-Köhler (1987) |
| Ingendahl (2016) |
| Lapis (9) |
| Weiss: "Mineralienfundstellen et al. (Munich) |
| T. Witzke & F. Rüger: Lapis 1998 (7/8) |
Greece | |
| Rieck et al. (1999) |
| Rieck et al. (1999) | |
Iceland | |
| |
Italy | |
| PANICHI U. (1924) |
New Zealand | |
| Unpublished drill log report to NZ Dept ... |
Poland | |
| Kruszewski et al. (2019) |
Russia | |
| Cesnokov et al. (1998) |
Switzerland | |
| Meisser et al. (2000) |
| Meisser (2012) |
USA | |
| Luetcke (n.d.) |
| Douglas (2005) |
| www.mineralsocal.org |
| Van Nostrand Reinholt Press: 53. +1 other reference |
| RWMW specimen |
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Unspecified offshore drill hole, Ventura County, California, USA