Tridymite is a high-temperature polymorph of silica and usually occurs as minute tabular white or colorless pseudo-hexagonal crystals, or scales, in cavities in felsic volcanic rocks. Its chemical …

From the Greek "Tridymos", triplet, alluding to its common twinning as trillings. Tridymite is a low pressure, mostly high-temperature-stable polymorph of silica that can also form or persist …

Tridymite forms thin hexagonal plates that are generally twinned, often in groups of three; its name alludes to this habit. It commonly occurs in igneous rocks, more abundantly than …

Detailed properties, locality information guide about the mineral tridymite (quartz polymorph).

Beta-Tridymite (β-tridymite or high-tridymite) is a low pressure, high-temperature-stable polymorph of silica that occurs most notably as vapour-deposited, platey crystals in vesicles in …

Tridymite and cristobalite are high-temperature, low-pressure polymorphs of silica, forming stably above 870°C (tridymite) and 1470°C (cristobalite). You might find these chapters and articles …

Polymorphic structural changes in tridymite have been investigated by molecular dynamics simulation. The main polymorphic transitions were reproduced and their mechanisms are …

Comments: Clear, pseudohexagonal crystals of tridymite on matrix. Location: Bellerberg quarry, Laacher See, Rhineland-Palatinate, Germany. Scale: Not Given. Colorless, White, Yellowish …

Tridymite is a polymorph of quartz, meaning that it is composed of the same chemistry, SiO 2, but has a different structure. Both quartz and tridymite are polymorphs with all the members of the …

Polymorphism & Series: Quartz, cristobalite, stishovite, and coesite are polymorphs; high tridymite is formed between 870 ±C and 1470 ±C; a number of stacking polytypes are known, especially …