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Jouravskite - N'Chwaning III Mine, Kuruman, Kalahari MN field, Northern Cape Province, South Africa
(#:MINS7808)
Specimen with vivid yellow, sparkling Jouravskite xls up to 1 mm.
Formula :
Ca
6
Mn
2
4+
[(OH)
6
/(SO
4
,CO
3
)]
2
* 26 H
2
O
System:
hexagonal
Hardness:
2½
Rarity:
very rare
Strunz id:VI/D.13-30 - SULFATES, CHROMATES, MOLYBDATES and TUNGSTATES
Name origin:
Named in 1965 by Christophe Gaudefroy and François Permingeat in honor of Georges Jouravsky (1896–1964), Chief Geologist, Geological Survey of Morocco, for his work on the mineral deposits of Morocco.
Specimen weight:4 gr.
Crystal size:Up to 1 mm
Overall size: 15mm x 12 mm x 10 mm
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