Fig. 4From: The formation of formates: a review of metal formates on heritage objectsOinochoe (height: 15.7Ā cm) with efflorescence of Ca2(CH3COO)(HCOO)(NO3)2Ā·4H2O on shoulder, National Museum of Antiquities Leiden (NL), inv. PC 25 (Renske Dooijes)Back to article page