Search for: [Characteristics of the object- texture/facture = "dark\-gray\-brown color \(10 YR 4\/2\) with indistinct bands concentric to the nucleus \(\?\) \- brown and brown\-yellow layers \(between 10 YR 4\/3 and 10 YR 4\/4\), less often gray \(10 YR 4\/1\)\; these bands have a thickness of up to 0.5 mm and only a little bit above\; concretions seem to be large, indistinctly tabular \(\?\)"]

Number of results: 4