(MGW) ASTROPHYLLITE SPECIMEN IN MATRIX 20 CTS FP 949

Item Information

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 ASTROPHYLLITE SPECIMEN IN MATRIX(K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH) EVESLOGCHORR MT.,KHIBINA MASSIF,KOLA PENINSULA, RUSSIA 

ASTROPHYLLITE IS A VERY RARE, BROWN TO GOLDEN YELLOW HYDROUS POTASSIUN IRON TITANIUM SILICATE MINERAL. BELONGING TO THE ASTROPHYLLITE GROUP.

ITS HIGH, SUBMETALLIC LUSTRE AND DARK COLOR CONTRAST SHARPLY WITH THE LIGHT COLOURED (FELSIC) MATRIX THE MINERAL IS REGULARLY FOUND WITHIN. ASTROPHYLLITE IS USUALLY OPAQUE TO TRANSLUCENT, BUT MAY BE TRANSPARENT IN THIN SPECIMENS.

 

 SIZE: 20 X 19 X 9 MM APPROX. 

WEIGHT: 20 CTS APPROX.

14h 41m 49s

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Auction ID 11096
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Starts 8th Dec 2017 1:15pm PST
Ends 15th Dec 2017 1:11pm PST

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