Sarabauite
A valid IMA mineral species
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About Sarabauite
Formula:
CaSb3+10S6O10
Colour:
Carmine red
Lustre:
Resinous
Hardness:
4
Specific Gravity:
4.8
Crystal System:
Monoclinic
Name:
From Sarabau mine, type locality
Type Locality:
Unique Identifiers
Mindat ID:
3532
Long-form identifier:
mindat:1:1:3532:9
IMA Classification of Sarabauite
Approved
IMA Formula:
CaSb3+10O10S2-6
Approval year:
1976
First published:
1978
Classification of Sarabauite
2.MA.10
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
M : Oxysulfosalts
A : Oxysulfosalts of Alkalies and Alkali Earths
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
M : Oxysulfosalts
A : Oxysulfosalts of Alkalies and Alkali Earths
Dana 7th ed.:
2.13.2.1
2.13.2.1
2 : SULFIDES
13 : Oxysulfides
2 : SULFIDES
13 : Oxysulfides
4.3
4 : Oxysulphides
4 : Oxysulphides
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 |
|---|---|---|
| Sbu | 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 Sarabauite
Resinous
Colour:
Carmine red
Streak:
Orange
Hardness:
4 on Mohs scale
Hardness:
VHN20=272(6) kg/mm2 - Vickers
Tenacity:
Sectile
Cleavage:
None Observed
Density:
4.8 g/cm3 (Measured) 4.99 g/cm3 (Calculated)
Chemistry of Sarabauite
Mindat Formula:
CaSb3+10S6O10
Element Weights:
Elements listed:
Crystallography of Sarabauite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 25.37 Å, b = 5.65 Å, c = 16.87 Å
β = 117.58°
β = 117.58°
Ratio:
a:b:c = 4.49 : 1 : 2.986
Unit Cell V:
2,143.37 ų (Calculated from Unit Cell)
Morphology:
Tabular and prismatic parallel to the b axis.
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) |
|---|---|---|---|---|---|---|---|
| 0009650 | Sarabauite | Nakai I, Nagashima K, Koto K, Morimoto N (1978) Crystal structure of oxide-chalcogenide. I.The crystal stucture of sarabauite CaSb10O10S6 Acta Crystallographica B34 3569-3572 |  | 1978 | Sarabau mine, Sarawak, Malaysia | 0 | 293 |
| 0012196 | Sarabauite | Nakai I, Koto K, Nagashima K, Morimoto N (1977) The crystal structure of sarabauite CaSb10O10S6, a new oxide sulfide mineral Chemistry Letters 1977 275-276 | 1977 | Sarabau mine, Sarawak, Malaysia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.215 Å | (100) |
| 2.817 Å | (88) |
| 3.466 Å | (78) |
| 3.182 Å | (60) |
| 3.164 Å | (50) |
| 4.227 Å | (42) |
| 2.583 Å | (40) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 46 : Near-surface hydrothermal alteration of minerals (see also #22) |
Type Occurrence of Sarabauite
General Appearance of Type Material:
Small realgar-like masses in vein-like mineral aggregates.
Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan, MA7055.
The Natural History Museum, London, England.
National Museum of Natural History, Washington, D.C., USA, 146210.
The Natural History Museum, London, England.
National Museum of Natural History, Washington, D.C., USA, 146210.
Geological Setting of Type Material:
Limestone cut by a 5 cm vein-like body.
Associated Minerals at Type Locality:
Synonyms of Sarabauite
Other Language Names for Sarabauite
Common Associates
Associations Based on Photo Data:
| 45 photos of Sarabauite associated with Calcite | CaCO3 |
| 38 photos of Sarabauite associated with Quartz | SiO2 |
| 35 photos of Sarabauite associated with Wollastonite | Ca3(Si3O9) |
| 13 photos of Sarabauite associated with Boulangerite | Pb5Sb4S11 |
| 12 photos of Sarabauite associated with 'Wollastonite-2M' | CaSiO3 |
| 11 photos of Sarabauite associated with Stibnite | Sb2S3 |
| 3 photos of Sarabauite associated with Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| 3 photos of Sarabauite associated with Wakabayashilite | [(As,Sb)6S9][As4S5] |
| 1 photo of Sarabauite associated with Tetrahedrite Subgroup | Cu6(Cu4C2+2)Sb4S12S |
| 1 photo of Sarabauite associated with Senarmontite | Sb2O3 |
Related Minerals - Strunz-mindat Grouping
| 2.MA.05 | Ottensite | (Na,K)3Sb3+6(Sb3+S3)O9 · 3H2O |
| 2.MA.05 | Cetineite | (K,Na)6Sb3+12(Sb3+S3)2O18(OH)0.5 · 5,5H2O |
| 2.MA.15 | Cafeosite | Ca4Fe2+3Fe3+2◻O6S4 |
| 2.MA.20 | Thionasilite | Na2Si2S2O3 |
Other Information
Notes:
Decomposes readily in conc. HCl with evolution of H2S and very slowly in conc. NaOH and dilute HNO3 solutions.
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 Sarabauite
mindat.org URL:
https://www.mindat.org/min-3532.html
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References for Sarabauite
Reference List:
Nakai, Izumi, Koto, Kichiro, Nagashima, Kozo, Morimoto, Nobuo (1977) The crystal structure of sarabauite CaSb10O10S6, a new oxide sulfide mineral. Chemistry Letters, 6 (3) 275-276 doi:10.1246/cl.1977.275
Nakai, Izumi, Adachi, Hajime, Matsubara, Satoshi, Kato, Akira, Masutomi, Kazunosuke, Fujiwara, Takashi, Nagasima, Kozo (1978) Sarabauite, a new oxide sulfide mineral from the Sarabau Mine, Sarawak, Malaysia. American Mineralogist, 63 (7-8) 715-719
Nakai, I., Nagashima, K., Koto, K., Morimoto, N. (1978) Crystal chemistry of oxide–chalcogenide. I. The crystal structure of sarabauite CaSb10O10S6. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry, 34 (12) 3569-3572 doi:10.1107/s0567740878011619
Localities for Sarabauite
Showing 3 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.
Malaysia | |
| Percival et al. (1990) |
| Chem.Lett. (1977) +4 other references |
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Kusa Mine, Bau, Kuching Division, Sarawak, Malaysia