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  • Tridymite - Wikipedia
    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
  • 鳞石英_百度百科
    晶体常具高温变体的六方片状或板状的假像。 无色或白色。 破璃光泽。 硬度6 5。 比重2 3。 产于酸性火山岩的牢洞中。 中文名 鳞石英 外文名 tridymite 分子式 SiO2 形 状 晶体呈假六片方状 颜 色 无色、白色、灰色 硬 度 6 5 相对密度 2 3
  • Tridymite: Mineral information, data and localities.
    Tridymite is a low pressure, mostly high-temperature-stable polymorph of silica that can also form or persist metastably at low temperatures The
  • Tridymite | Silica polymorph, High-temperature form, Hexagonal crystals . . .
    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 cristobalite, as in the trachytes of Rhineland-Palatinate, Germany; northern Italy; and in the Massif Central, France
  • Tridymite - an overview | ScienceDirect Topics
    Cristobalite and tridymite are polymorphs of SiO2 in which the silica tetrahedra are packed in a two-layer structure (tridymite) or a three-layer structure (cristobalite) (Drees et al , 1989)
  • Tridymite: The mineral Tridymite information and pictures
    Detailed properties, locality information guide about the mineral tridymite (quartz polymorph)
  • Tridymite - PubChem
    Tridymite (SiO2): Does not have an individual approval but may be used as a component in a product covered by a group standard It is not approved for use as a chemical in its own right
  • C:\MdpWEB\T\Tridymite. PDF - Handbook of Mineralogy
    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 non-terrestrial
  • Tridymite - Rock Identifier
    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 formula is SiO2 Tridymite was first described in 1868 and the type location is in Hidalgo, Mexico
  • 40 Facts About Tridymite
    Tridymite is a mineral made of silicon dioxide, just like quartz, but with a different crystal structure It's often found in volcanic rocks and can form at high temperatures





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