Chemistry:Slavíkite
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| Slavíkite | |
|---|---|
 Alpersite crystals (white) with slavíkite | |
| General | |
| Category | Mineral |
| Formula (repeating unit) | (H 3O+ ) 3Mg 6Fe 15(SO 4) 21(OH) 18 · 98H2O |
| Crystal system | Trigonal |
| Crystal class | Rhombohedral (3m) H-M symbol: (3m) |
| Identification | |
| Color | Pale yellow, pale yellow-green |
| Mohs scale hardness | 3.5 |
| |re|er}} | Vitreous, Dull |
| Specific gravity | 1.905 - 1.99 |
Slavíkite (IMA symbol: Sví[1]) is a mineral consisting of a hydrous basic magnesium ferric sulfate with the chemical formula (H
3O+
)
3Mg
6Fe
15(SO
4)
21(OH)
18 · 98H2O and is an oxidation product of pyrite in shales and slate from Bohemia.[2] It was named in 1926 in honor of František Slavík, who was the Charles University in Prague where he was Dean of the Faculty of Science from 1924 to 1925 and Rector from 1937 to 1938.[3]
References
- ↑ Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode: 2021MinM...85..291W.
- ↑ "Slavíkite". Merriam-Webster. https://www.merriam-webster.com/dictionary/slavikite.
- ↑ "Slavíkite". mindat.org. https://www.mindat.org/min-3683.html.
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