slavikite
noun
slav·ik·ite
| \ ˈslavə̇ˌkīt\
plural -s
Definition of slavikite
: a mineral (Na, K)2Fe10(OH)6(SO4)13.63H2O(?) consisting of a hydrous basic sodium ferric sulfate and occurring as small greenish yellow rhombohedral crystals on weathered shales from Bohemia
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