1. The calcareous incrustations in these caves were compared with Gothic fretwork. 2. Initially Gorodets craftsmen used the incrustation technique to ornament the distaffs. 3. Their calcareous waters deposit a sintery incrustation on surrounding objects. 4. Secondary weathering incrustations of erythrite, hydrated cobalt arsenate, are common. 5. A blackwood bombarde with tin incrustations made by Dorig Le Voyer Ca . 1969 6. The sacristy contains oil paintings and furniture with incrustations . 7. The mid 19th century saw the transition from incrustation to painting of Distaff. 8. It occurs as black incrustations , dark to pale-brown in thin section. 9. It occurs as an oxidation product of zinc ores and as post mine incrustations . 10. It occurs as incrustations and vein or fracture fillings in ultramafic rocks and serpentinites.