Devitrification is the process of crystallization in a formerly crystal-free (amorphous) glass. The term is derived from the Latin vitreus, meaning glassy...

p. 12. ISBN 9780816550036. Marshall, Royal R. (October 1, 1961). "Devitrification of Natural Glass". GSA Bulletin. 72 (10): 1493–1520. Bibcode:1961GSAB...

Cristobalite Cristobalite spherulites formed by devitrification from the obsidian matrix. Specimen from California, US; size: 5.9 cm × 3.8 cm × 3.8 cm...

effect phase transformations, as in conversion of anatase to rutile or devitrification of glass materials; removal of ammonium ions in the synthesis of zeolites;...

low surface tension, high index of refraction, and resistance to devitrification. Lead used in the manufacture of commercial glazes are molecularly...

to 4 and a specific gravity of 2.1 to 2.2. It commonly occurs as a devitrification product of volcanic glass shards in tuff and as vesicle fillings in...

circulation through the porosity of volcanic ash beds, which converts (devitrification) the volcanic glass (obsidian, rhyolite, dacite) present in the ash...

silicification (which has filled them with opal, chalcedony, and quartz) and by devitrification. The frequent presence of rounded corroded quartz crystals, such as...

massive sulfide deposit. Typical alteration textures associated with devitrification of submarine volcanic rocks such as rhyolitic glasses, notably formation...

undesirable effects such as unattractive discoloration, bubbling, or devitrification. Borosilicate glass is considered more forgiving to work with, as its...

larger samples are obtained. One of the problems encountered was the devitrification tendency upon cooling the melt. The second breakthrough was the discovery...

usually are more ductile and less brittle than regular ceramics. "Glass Devitrification Produces Nanostructures - NanoSteel 1-877-293-6266". Archived from...

temperature range of 815 °C (1,499 °F) to 573 °C (1,063 °F) to avoid devitrification. The glass is then allowed to cool slowly over a specified time, soaking...

can be caused by chemical weathering (oxidation, mineralization) and devitrification. Proposed origins for Edeowie and other similar lechatelierites include...

itself. The pillow basalt is relatively well preserved in places, where devitrification rims clearly outline the individual pillows. It is composed of dark...

structures similar to large lava flows. The deposits underwent some devitrification due to vapour action. This ignimbrite has a maximum thickness of 450...

(pitchblende) / coffinite assemblages within conglomerates and sandstones. Devitrification of volcanic glass is a potential source of uranium in the region's...

Graphic texture is commonly created by exsolution and devitrification and immiscibility processes in igneous rocks. It is called 'graphic' because the...

passed into very finely crystal-line state. This change is called devitrification; it is common in glasses, as these are essentially unstable. A large...

14076 is described having the composition of glass that has undergone devitrification which is considered to be uncommon with glasses found elsewhere on...

Craters-A Brief History of Their Recognition 1974–1975 Paul P. Sipiera Devitrification Studies on Chemical Compositions Corresponding to Ca-Al-Rich Inclusions...

knife in a cryoultramicrotome at temperatures lower than −135 °C (devitrification temperature). The sections are collected on an electron microscope...

the Pajarito Plateau but is interpreted by Broxton and Reneau as a devitrification front rather than a cooling unit boundary. The beds below the vapor...

degree of welding of the ignimbrite, the occurrence or absence of devitrification and the jointing patterns. In fact, a segment of the northern Atana...

palette of coloured glass but also help with the incompatibility and devitrification problems that he was experiencing. One of his students at Pilchuck...

of Science & Technology, Govt of India. Retrieved 17 August 2021. "Devitrification Demystified". Indinan Institute of Science, Bangalore. Retrieved 17...

Possibly, the same factors that contributed to the alteration and devitrification of the pyroclastites also influenced the degradation of the bone materials...

spherulites at their margins. Such textures may document solid-state devitrification of glass. Granophyre – Subvolcanic rock that contains quartz and alkali...

here contains five to 30 percent phenocrysts, and has high levels of devitrification and lithic content. The differences between these two deposits can...