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Áàâåíèò, ϰîäóêò èçìåíåíèÿ áå°èëëà. Áå°èëë è áàâåíèò, Ѱåäíèé "°àë, Ìàëüöåâî.
Áåðèëë è áàâåíèò, Ñðåäíèé Óðàë, Ìàëüöåâî.
Scientific name: Áàâåíèò
Common name: ϰîäóêò èçìåíåíèÿ áå°èëëà
Formula: Ñà4 [Be2Al2Si9O26] (OH)2
áåëûé, î÷åíü ñâåòëûéçåëåíûéáåëàÿ èëè ñå°àÿ ÷å°òàíåï°îç°à÷íûéñòåêëÿííûé áëåñêòâå°äîñòü 6 ïî øêàëå Ìîîñàòâå°äîñòü 5 ïî øêàëå Ìîîñàñèëèêàòñîâå°øåííàÿ ñïàéíîñòü

Comments:
Áàâåíèò " °åäêèé ìèíå°àë, ñèëèêàò ïîäêëàññà îñò°îâíûõ ñèëèêàòîâ. Îá°àçóåò ñâåòëûå èãîëü÷àòûå è ïëàñòèí÷àòûå ê°èñòàëëû è °àäèàëüíî-ëó÷èñòûå àã°åãàòû, ñôå°îëèòû. Òâå°äîñòü 5,5 - 6, ïëîòíîñòü îêîëî 2, 7 ã/ñì3. Òèïè÷íûé ãèä°îòå°ìàëüíûé ìèíå°àë áå°èëëèåâûõ ïåãìàòèòîâûõ ìåñòî°îæäåíèé, îáû÷íî ÿâëÿåòñÿ ï°îäóêòîì èçìåíåíèÿ áå°èëëà. Âõîäèò â ñîñòàâ ïîëèìèíå°àëüíûõ áå°èëëèåâûõ °óä.

 

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