In metallurgy a veining (or finning) is the occurrence of a sheet like casting defect, produced by molten metal penetration into a sand casting mould....

of cristobalite. Alumina can react with silica to form mullite. Veining (metallurgy), sand casting defect associated with the alpha to beta silica phase...

process in which a liquid is poured into a mold to solidify Veining (metallurgy) – Metallurgical casting defect, common sand casting defect Foundry sand testing...

shrinkage defects, mould material defects, pouring metal defects, and metallurgical defects. The terms "defect" and "discontinuity" refer to two specific...

used as additives (fluxes) to foundry sand for iron casting to reduce veining. Lithium (as lithium fluoride) is used as an additive to aluminium smelters...

are essentially worthless. There is sometimes an association with quartz veining and colloform silica, however silicate gangue minerals are often rare....

micaceous quartzite, quartz-mica, mica and biotite schists, with granitic veining. The dam site is in a narrow canyon about 200 feet (61 m) wide at the river...

and the dark bleu lapis which might be overlaid with traces of gilded veining that disguised variations in the glaze. Enamel painting was applied over...

Empire. The Romans were fond of luxury imported coloured marbles with fancy veining, and the interiors of the most important buildings were often faced with...

sedimentary sequence the intervening sandstone rocks contained sufficient veining and mineralization that in combination with the shale/slate units formed...