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BORACITE [1 record]
Record 1 - internal organization data 2012-04-13
Record 1, English
Record 1, Subject field(s)
- Mineralogy
Universal entry(ies) Record 1
Record 1, Main entry term, English
- boracite
1, record 1, English, boracite
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
... a glassy borate mineral, magnesium chloroborate [that] has been found as crystals embedded in sedimentary deposits of anhydrite, gypsum, and halite. 2, record 1, English, - boracite
Record number: 1, Textual support number: 1 CONT
Above 265°C boracite is cubic but below this temperature it is orthorhombic due to differences in the positions of the magnesium and chlorine atoms. This inversion results in the crystals becoming twinned by a rotation of I2O° about. 3, record 1, English, - boracite
Record number: 1, Textual support number: 1 OBS
Optical Properties: Transparent to translucent. Color: Colorless, white, gray, yellow;bluish green, green to dark green if ferroan; colorless in transmitted light. Streak: White. Luster: Vitreous to adamantine. 4, record 1, English, - boracite
Record number: 1, Textual support number: 2 OBS
Chemical formula: Mg3B7O13Cl 5, record 1, English, - boracite
Record 1, French
Record 1, Domaine(s)
- Minéralogie
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- boracite
1, record 1, French, boracite
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Minéral (borate) du système cristallin orthorhombique, pseudo-cubique, se trouvant en cristaux isolés dans les dépôts sédimentaires d'anhydrite, de gypse ou d'halite et dans les dépôts de potasse de type océanique. 2, record 1, French, - boracite
Record number: 1, Textual support number: 1 CONT
Pseudo-cubique à la température ordinaire, la boracite devient cubique à 265 °C. [...] Transparente à translucide. Blanchâtre, jaunâtre, vert bleuâtre, vert foncé. 2, record 1, French, - boracite
Record number: 1, Textual support number: 1 OBS
Formule chimique : Mg3B7O13Cl 3, record 1, French, - boracite
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Mineralogía
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- boracita
1, record 1, Spanish, boracita
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Cloroborato magnésico [...] cuyos cristales, aunque aparentemente cúbicos, cristalizan en el sistema rómbico; es transparente, a veces incoloro y en otros casos de color azulino o verdoso. 1, record 1, Spanish, - boracita
Record number: 1, Textual support number: 1 OBS
Fórmula química: Mg3B7O13Cl 2, record 1, Spanish, - boracita
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