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Slavikite - Valachov Hill, Skřivaň, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic (Type Locality)
(#:MINS7960)
Slavikite is a rare hydrated Sodium, Magnesium, Iron Sulfate, and specimens from the type locality are certainly not commonly available. This piece features classic yellow color Slavikite masses on matrix.
Formula :
NaMg
2
Fe
5
2+
[(OH)
6
/(SO
4
)
7
] * 33 H
2
O
System:
trigonal
Hardness:
3.5
Rarity:
rare
Strunz id:VI/D.14-40 - SULFATES, CHROMATES, MOLYBDATES and TUNGSTATES
Name origin:
For František Slavík (July 18, 1876 - January 27, 1957), Charles University in Prague where he was Dean of the Faculty of Science from 1924 to 1925 and Rector from 1937 to 1938 (Am. Mineral. 43, 325-330).
Specimen weight:5 gr.
Crystal size:1 mm
Overall size: 42mm x 30 mm x 10 mm
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