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Àñò°îôèëëèò
Scientific name: Àñò°îôèëëèò
Formula: (K,Na)3(Mn,Fe)7Ti2[Si4O12]2(O,OH,F)7
êî°è÷íåâûé, áåæåâûéæåëòûé, î°àíæåâûéêî°è÷íåâàÿ, áó°àÿ, ê°àñíàÿ ÷å°òàíåï°îç°à÷íûéìåòàëëè÷åñêèé áëåñêòâå°äîñòü 3 ïî øêàëå Ìîîñàñèëèêàòò°èêëèííàÿ ñèíãîíèÿñîâå°øåííàÿ ñïàéíîñòü

Comments:
Àã°åãàòû - ïëàñòèí÷àòûå âûäåëåíèÿ, °àäèàëüíî-ëó÷èñòûå ñêîïëåíèÿ, °åäêî ìåëêèå òàáëèò÷àòûå ê°èñòàëëû, èíîãäà èãîëü÷àòûå ê°èñòàëëèêè è ìåëêîâîëîêíèñòûå ìàññû. Êàìåíü ñ ÿâëåíèÿìè àñòå°èçìà (çâåçä÷àòîñòü, îïòè÷åñêèé ýôôåêò, ï°îÿâëÿþùèéñÿ â âèäå ò°åõ-, ÷åòû°åõ-, øåñòè- ëèáî äâåíàäöàòèëó÷åâîé çâåçäû) Íàçâàí â ÷åñòü ã°å÷åñêîãî "àñò°à" - çâåçäà. Äîáûâàåòñÿ íà Êîëüñêîì ïîëóîñò°îâå â Õèáèíñêèõ ãî°àõ. Ñïàéíîñòü ñëþäîïîäîáíàÿ ïî (001) è ñëàáî âû°àæåííàÿ ïî (010). Ëåãêî ïëàâèòñÿ â ìàãíèòíûé øà°èê.


Àñò°îôèëëèò

 

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