мин. кристобалит

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  • Cristobalite — spheres formed via devitrification (loss of silica) from the obsidian matrix (California, USA) 5.9×3.8×3.8 cm. General Category Silicate mineral …   Wikipedia

  • cristobalite — ● cristobalite nom féminin (de San Cristóbal, nom propre) Variété de silice SiO2 de haute température, cristallisant dans le système quadratique, que l on rencontre dans les laves …   Encyclopédie Universelle

  • Cristobalite — α Cristobalite Catégorie IX : silicates[1] Cristobalite dans des vacuoles d obsidienne Californie USA …   Wikipédia en Français

  • cristobalite — /kri stoh beuh luyt /, n. Mineral. a polymorph of quartz occurring in volcanic rock in the form of colorless, translucent crystals. [1885 90; named after San Cristóbal, a hill near Pachuca de Soto, Mexico; see ITE1] * * * ▪ mineral       the… …   Universalium

  • cristobalite — noun A mineral of volcanic rocks that solidified at a high temperature. Cristobalite is chemically identical to quartz, with the chemical formula SiO, but has a different crystal structure. Crystals are always microscopic, and usually form small… …   Wiktionary

  • cristobalite — kristobalitas statusas T sritis chemija apibrėžtis Aukštatemperatūrė polimorfinė kvarco atmaina. formulė SiO₂ atitikmenys: angl. cristobalite rus. кристобалит …   Chemijos terminų aiškinamasis žodynas

  • cristobalite — cris·to·ba·lite (kris toґbə līt) a translucent crystalline form of silica used in casting investments because it has a high capacity for thermal expansion and is resistant to being broken down by heat …   Medical dictionary

  • cristobalite — [krɪ stəʊbəlʌɪt] noun a form of silica which is the main component of opal. Origin C19: named after Cerro San Cristóbal in Mexico, where it was discovered …   English new terms dictionary

  • cristobalite — cris·to·bal·ite …   English syllables

  • cristobalite — n. Mineral. a principal form of silica, occurring as opal. Etymology: G Cristobalit f. Cerro San Cristoacutebal in Mexico …   Useful english dictionary

  • 14464-46-1 — Cristobalite α Cristobalite Catégorie III : oxydes et hydroxydes Cristobalite dans des vacuoles d obsidienne Californie USA …   Wikipédia en Français

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